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53081031192 = 23371627194197
BaseRepresentation
bin110001011011111000…
…000100001000011000
312002000022022202212020
4301123320010020120
51332202220444232
640215102414440
73556253214660
oct613370041030
9162008282766
1053081031192
1120569949422
12a354891420
13500c185ac7
1427d79cb1a0
1515aa0e2e2c
hexc5be04218

53081031192 has 64 divisors (see below), whose sum is σ = 151754085120. Its totient is φ = 15156609408.

The previous prime is 53081031191. The next prime is 53081031193. The reversal of 53081031192 is 29113018035.

It is an interprime number because it is at equal distance from previous prime (53081031191) and next prime (53081031193).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53081031191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176238 + ... + 370434.

It is an arithmetic number, because the mean of its divisors is an integer number (2371157580).

Almost surely, 253081031192 is an apocalyptic number.

It is an amenable number.

53081031192 is an abundant number, since it is smaller than the sum of its proper divisors (98673053928).

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

53081031192 is a wasteful number, since it uses less digits than its factorization.

53081031192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195840 (or 195836 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 53081031192 in words is "fifty-three billion, eighty-one million, thirty-one thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1627 3254 4881 6508 9762 11389 13016 19524 22778 34167 39048 45556 68334 91112 136668 194197 273336 388394 582591 776788 1165182 1359379 1553576 2330364 2718758 4078137 4660728 5437516 8156274 10875032 16312548 32625096 315958519 631917038 947875557 1263834076 1895751114 2211709633 2527668152 3791502228 4423419266 6635128899 7583004456 8846838532 13270257798 17693677064 26540515596 53081031192