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185714203457972 = 22789387471923353
BaseRepresentation
bin101010001110011111110101…
…001000000111100110110100
3220100120002211011002111111202
4222032133311020013212310
5143320220142041123342
61454551532142352032
754055260042256040
oct5216376510074664
9810502734074452
10185714203457972
11541a0a51324692
12189b47a6b8b618
137c81a0b013447
1433c088896d020
151670cbc904332
hexa8e7f52079b4

185714203457972 has 48 divisors (see below), whose sum is σ = 375611648791680. Its totient is φ = 78695439601152.

The previous prime is 185714203457953. The next prime is 185714203458029. The reversal of 185714203457972 is 279754302417581.

It is a junction number, because it is equal to n+sod(n) for n = 185714203457899 and 185714203457908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95595848 + ... + 97519200.

It is an arithmetic number, because the mean of its divisors is an integer number (7825242683160).

Almost surely, 2185714203457972 is an apocalyptic number.

It is an amenable number.

185714203457972 is an abundant number, since it is smaller than the sum of its proper divisors (189897445333708).

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

185714203457972 is a wasteful number, since it uses less digits than its factorization.

185714203457972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962200 (or 1962198 counting only the distinct ones).

The product of its (nonzero) digits is 118540800, while the sum is 65.

The spelling of 185714203457972 in words is "one hundred eighty-five trillion, seven hundred fourteen billion, two hundred three million, four hundred fifty-seven thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 89 178 356 623 1246 2492 38747 77494 154988 271229 542458 1084916 1923353 3448483 3846706 6896966 7693412 13463471 13793932 24139381 26926942 48278762 53853884 96557524 171178417 342356834 684713668 1198248919 2396497838 4792995676 74524158691 149048317382 298096634764 521669110837 1043338221674 2086676443348 6632650123499 13265300246998 26530600493996 46428550864493 92857101728986 185714203457972