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42811385504 = 25191012392917
BaseRepresentation
bin100111110111110000…
…011110011010100000
311002111121011201101112
4213313300132122200
51200134203314004
631400044322452
73043622525666
oct476760363240
9132447151345
1042811385504
1117179a02638
128369543428
134063667b94
142101b16c36
1511a871ee6e
hex9f7c1e6a0

42811385504 has 96 divisors (see below), whose sum is σ = 90005126400. Its totient is φ = 19987430400.

The previous prime is 42811385503. The next prime is 42811385509. The reversal of 42811385504 is 40558311824.

It is not an unprimeable number, because it can be changed into a prime (42811385503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14675054 + ... + 14677970.

It is an arithmetic number, because the mean of its divisors is an integer number (937553400).

Almost surely, 242811385504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42811385504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45002563200).

42811385504 is an abundant number, since it is smaller than the sum of its proper divisors (47193740896).

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

42811385504 is a wasteful number, since it uses less digits than its factorization.

42811385504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286 (or 3278 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 41.

The spelling of 42811385504 in words is "forty-two billion, eight hundred eleven million, three hundred eighty-five thousand, five hundred four".

Divisors: 1 2 4 8 16 19 32 38 76 101 152 202 239 304 404 478 608 808 956 1616 1912 1919 2917 3232 3824 3838 4541 5834 7648 7676 9082 11668 15352 18164 23336 24139 30704 36328 46672 48278 55423 61408 72656 93344 96556 110846 145312 193112 221692 294617 386224 443384 458641 589234 697163 772448 886768 917282 1178468 1394326 1773536 1834564 2356936 2788652 3669128 4713872 5577304 5597723 7338256 9427744 11154608 11195446 13246097 14676512 22309216 22390892 26492194 44781784 52984388 70413463 89563568 105968776 140826926 179127136 211937552 281653852 423875104 563307704 1126615408 1337855797 2253230816 2675711594 5351423188 10702846376 21405692752 42811385504