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2057852048031 = 321322699774857
BaseRepresentation
bin11101111100100001100…
…010100101001010011111
321021201200020200101112200
4131330201202211022133
5232203440111014111
64213210355102543
7301450330541103
oct35744142451237
97251606611480
102057852048031
1172380391882a
122929aa5a1a53
1311c092cb4560
1471859d73903
15387e1d95256
hex1df218a529f

2057852048031 has 24 divisors (see below), whose sum is σ = 3201248341200. Its totient is φ = 1266313067136.

The previous prime is 2057852048029. The next prime is 2057852048081. The reversal of 2057852048031 is 1308402587502.

2057852048031 is a `hidden beast` number, since 2 + 0 + 57 + 8 + 520 + 48 + 0 + 31 = 666.

It is not a de Polignac number, because 2057852048031 - 21 = 2057852048029 is a prime.

It is a super-2 number, since 2×20578520480312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057852048081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2268355 + ... + 3043211.

It is an arithmetic number, because the mean of its divisors is an integer number (133385347550).

Almost surely, 22057852048031 is an apocalyptic number.

2057852048031 is a deficient number, since it is larger than the sum of its proper divisors (1143396293169).

2057852048031 is a wasteful number, since it uses less digits than its factorization.

2057852048031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797575 (or 797572 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 2057852048031 in words is "two trillion, fifty-seven billion, eight hundred fifty-two million, forty-eight thousand, thirty-one".

Divisors: 1 3 9 13 39 117 22699 68097 204291 295087 774857 885261 2324571 2655783 6973713 10073141 30219423 90658269 17588479043 52765437129 158296311387 228650227559 685950682677 2057852048031