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42007741240 = 2357914479187
BaseRepresentation
bin100111000111110110…
…110100001100111000
311000102120222100201011
4213013312310030320
51142012440204430
631144215403304
73014663623543
oct470766641470
9130376870634
1042007741240
11168a7302823
128184383534
133c6600a32a
1420670bd85a
15115cdc822a
hex9c7db4338

42007741240 has 64 divisors (see below), whose sum is σ = 95790412800. Its totient is φ = 16577129088.

The previous prime is 42007741207. The next prime is 42007741273. The reversal of 42007741240 is 4214770024.

It is an interprime number because it is at equal distance from previous prime (42007741207) and next prime (42007741273).

It is a congruent number.

It is an unprimeable number.

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, 4567927 + ... + 4577113.

It is an arithmetic number, because the mean of its divisors is an integer number (1496725200).

Almost surely, 242007741240 is an apocalyptic number.

42007741240 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 42007741240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47895206400).

42007741240 is an abundant number, since it is smaller than the sum of its proper divisors (53782671560).

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

42007741240 is a wasteful number, since it uses less digits than its factorization.

42007741240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10724 (or 10720 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 31.

The spelling of 42007741240 in words is "forty-two billion, seven million, seven hundred forty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 79 158 316 395 632 790 1447 1580 2894 3160 5788 7235 9187 11576 14470 18374 28940 36748 45935 57880 73496 91870 114313 183740 228626 367480 457252 571565 725773 914504 1143130 1451546 2286260 2903092 3628865 4572520 5806184 7257730 13293589 14515460 26587178 29030920 53174356 66467945 106348712 132935890 265871780 531743560 1050193531 2100387062 4200774124 5250967655 8401548248 10501935310 21003870620 42007741240