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525706868208137 = 71138771760990953
BaseRepresentation
bin111011110001000001010101…
…1001000101011001000001001
32112221101002022112101210120112
41313202002223020223020021
51022401140131230130022
65102030222355204105
7215506032161411630
oct16742025310531011
92487332275353515
10525706868208137
11142563037a54430
124ab6561a5a6635
1319744c390b95a5
1493b64c35b6517
1540b9c96ee28e2
hex1de20ab22b209

525706868208137 has 16 divisors (see below), whose sum is σ = 655595800282752. Its totient is φ = 409536055797120.

The previous prime is 525706868208097. The next prime is 525706868208259. The reversal of 525706868208137 is 731802868607525.

It is not a de Polignac number, because 525706868208137 - 218 = 525706867945993 is a prime.

It is a super-2 number, since 2×5257068682081372 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525706868208937) 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, 880196948 + ... + 880794005.

It is an arithmetic number, because the mean of its divisors is an integer number (40974737517672).

Almost surely, 2525706868208137 is an apocalyptic number.

It is an amenable number.

525706868208137 is a deficient number, since it is larger than the sum of its proper divisors (129888932074615).

525706868208137 is a wasteful number, since it uses less digits than its factorization.

525706868208137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760994848.

The product of its (nonzero) digits is 270950400, while the sum is 68.

The spelling of 525706868208137 in words is "five hundred twenty-five trillion, seven hundred six billion, eight hundred sixty-eight million, two hundred eight thousand, one hundred thirty-seven".

Divisors: 1 7 11 77 3877 27139 42647 298529 1760990953 12326936671 19370900483 135596303381 6827361924781 47791533473467 75100981172591 525706868208137