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2057156505201 = 37199949004419
BaseRepresentation
bin11101111011111000000…
…101010010111001110001
321021122212202220011011010
4131323320011102321301
5232201024031131301
64213013351141133
7301424153532330
oct35737005227161
97248782804133
102057156505201
11723487243146
122928356747a9
1311bcb1b75b55
14717d1839d17
15387a0ca35d6
hex1def8152e71

2057156505201 has 16 divisors (see below), whose sum is σ = 3136282880000. Its totient is φ = 1174929925968.

The previous prime is 2057156505161. The next prime is 2057156505221. The reversal of 2057156505201 is 1025056517502.

It is not a de Polignac number, because 2057156505201 - 214 = 2057156488817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2057156505201.

It is not an unprimeable number, because it can be changed into a prime (2057156505221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24460231 + ... + 24544188.

It is an arithmetic number, because the mean of its divisors is an integer number (196017680000).

Almost surely, 22057156505201 is an apocalyptic number.

2057156505201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2057156505201 is a deficient number, since it is larger than the sum of its proper divisors (1079126374799).

2057156505201 is a wasteful number, since it uses less digits than its factorization.

2057156505201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49006428.

The product of its (nonzero) digits is 105000, while the sum is 39.

The spelling of 2057156505201 in words is "two trillion, fifty-seven billion, one hundred fifty-six million, five hundred five thousand, two hundred one".

Divisors: 1 3 7 21 1999 5997 13993 41979 49004419 147013257 343030933 1029092799 97959833581 293879500743 685718835067 2057156505201