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12571200551 = 7132320692903
BaseRepresentation
bin10111011010100110…
…10100110000100111
31012110002221011012102
423231103110300213
5201221211404201
65435232242315
7623345304320
oct135523246047
935402834172
1012571200551
11537112a048
12252a0a039b
1312545b8a10
14873829447
154d89a026b
hex2ed4d4c27

12571200551 has 32 divisors (see below), whose sum is σ = 16158320640. Its totient is φ = 9506116224.

The previous prime is 12571200547. The next prime is 12571200557. The reversal of 12571200551 is 15500217521.

It is a cyclic number.

It is not a de Polignac number, because 12571200551 - 22 = 12571200547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12571200557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4328966 + ... + 4331868.

It is an arithmetic number, because the mean of its divisors is an integer number (504947520).

Almost surely, 212571200551 is an apocalyptic number.

12571200551 is a deficient number, since it is larger than the sum of its proper divisors (3587120089).

12571200551 is a wasteful number, since it uses less digits than its factorization.

12571200551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015.

The product of its (nonzero) digits is 3500, while the sum is 29.

The spelling of 12571200551 in words is "twelve billion, five hundred seventy-one million, two hundred thousand, five hundred fifty-one".

Divisors: 1 7 13 23 91 161 299 2069 2093 2903 14483 20321 26897 37739 47587 66769 188279 264173 333109 467383 618631 867997 4330417 6006307 6075979 42044149 78081991 138145061 546573937 967015427 1795885793 12571200551