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102070212613625 = 531019801336311
BaseRepresentation
bin10111001101010100010010…
…110000111101010111111001
3111101101211001121120201012002
4113031110102300331113321
5101334304243412114000
61001030224111430345
730333221010050624
oct2715242260752771
9441354047521162
10102070212613625
112a582809067873
12b545a838253b5
1344c5244ba7329
141b2c320620dbb
15bc01318a98d5
hex5cd512c3d5f9

102070212613625 has 16 divisors (see below), whose sum is σ = 127508633965440. Its totient is φ = 81576036358000.

The previous prime is 102070212613619. The next prime is 102070212613627. The reversal of 102070212613625 is 526316212070201.

It is a de Polignac number, because none of the positive numbers 2k-102070212613625 is a prime.

It is a super-2 number, since 2×1020702126136252 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102070212613627) 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, 400540781 + ... + 400795530.

It is an arithmetic number, because the mean of its divisors is an integer number (7969289622840).

Almost surely, 2102070212613625 is an apocalyptic number.

It is an amenable number.

102070212613625 is a deficient number, since it is larger than the sum of its proper divisors (25438421351815).

102070212613625 is an equidigital number, since it uses as much as digits as its factorization.

102070212613625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801337345 (or 801337335 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

Adding to 102070212613625 its reverse (526316212070201), we get a palindrome (628386424683826).

The spelling of 102070212613625 in words is "one hundred two trillion, seventy billion, two hundred twelve million, six hundred thirteen thousand, six hundred twenty-five".

Divisors: 1 5 25 125 1019 5095 25475 127375 801336311 4006681555 20033407775 100167038875 816561700909 4082808504545 20414042522725 102070212613625