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53745031312 = 2477123928279
BaseRepresentation
bin110010000011011101…
…000001100010010000
312010201120202110210021
4302003131001202100
51340032212000222
640405022313224
73611565141250
oct620335014220
9163646673707
1053745031312
112087a73a555
12a4bb128814
1350b68cc29b
14285bc73960
1515e8553ac7
hexc83741890

53745031312 has 80 divisors (see below), whose sum is σ = 121192243200. Its totient is φ = 22613351040.

The previous prime is 53745031303. The next prime is 53745031367. The reversal of 53745031312 is 21313054735.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1886389 + ... + 1914667.

It is an arithmetic number, because the mean of its divisors is an integer number (1514903040).

Almost surely, 253745031312 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 53745031312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60596121600).

53745031312 is an abundant number, since it is smaller than the sum of its proper divisors (67447211888).

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

53745031312 is a wasteful number, since it uses less digits than its factorization.

53745031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28604 (or 28598 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 53745031312 in words is "fifty-three billion, seven hundred forty-five million, thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 71 112 142 239 284 478 497 568 956 994 1136 1673 1912 1988 3346 3824 3976 6692 7952 13384 16969 26768 28279 33938 56558 67876 113116 118783 135752 197953 226232 237566 271504 395906 452464 475132 791812 950264 1583624 1900528 2007809 3167248 4015618 6758681 8031236 13517362 14054663 16062472 27034724 28109326 32124944 47310767 54069448 56218652 94621534 108138896 112437304 189243068 224874608 378486136 479866351 756972272 959732702 1919465404 3359064457 3838930808 6718128914 7677861616 13436257828 26872515656 53745031312