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42630090240 = 293519292147
BaseRepresentation
bin100111101100111100…
…111000111000000000
311002000222000222001010
4213230330320320000
51144301300341430
631330050440520
73036261534243
oct475474707000
9132028028033
1042630090240
1117096635841
128318893140
134034c2c58a
1420c5a0325a
15119785ccb0
hex9ecf38e00

42630090240 has 160 divisors (see below), whose sum is σ = 143456353920. Its totient is φ = 10769670144.

The previous prime is 42630090229. The next prime is 42630090253. The reversal of 42630090240 is 4209003624.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 42630090198 and 42630090207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154 + ... + 291993.

It is an arithmetic number, because the mean of its divisors is an integer number (896602212).

Almost surely, 242630090240 is an apocalyptic number.

42630090240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42630090240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71728176960).

42630090240 is an abundant number, since it is smaller than the sum of its proper divisors (100826263680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42630090240 is a wasteful number, since it uses less digits than its factorization.

42630090240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292192 (or 292176 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 42630090240 its reverse (4209003624), we get a palindrome (46839093864).

The spelling of 42630090240 in words is "forty-two billion, six hundred thirty million, ninety thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 48 57 60 64 76 80 95 96 114 120 128 152 160 190 192 228 240 256 285 304 320 380 384 456 480 512 570 608 640 760 768 912 960 1140 1216 1280 1520 1536 1824 1920 2280 2432 2560 3040 3648 3840 4560 4864 6080 7296 7680 9120 9728 12160 14592 18240 24320 29184 36480 48640 72960 145920 292147 584294 876441 1168588 1460735 1752882 2337176 2921470 3505764 4382205 4674352 5550793 5842940 7011528 8764410 9348704 11101586 11685880 14023056 16652379 17528820 18697408 22203172 23371760 27753965 28046112 33304758 35057640 37394816 44406344 46743520 55507930 56092224 66609516 70115280 74789632 83261895 88812688 93487040 111015860 112184448 133219032 140230560 149579264 166523790 177625376 186974080 222031720 224368896 266438064 280461120 333047580 355250752 373948160 444063440 448737792 532876128 560922240 666095160 710501504 747896320 888126880 1065752256 1121844480 1332190320 1421003008 1776253760 2131504512 2243688960 2664380640 2842006016 3552507520 4263009024 5328761280 7105015040 8526018048 10657522560 14210030080 21315045120 42630090240