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102010231003121 = 7174168720563457
BaseRepresentation
bin10111001100011100011011…
…100101010001011111110001
3111101012002020101121012002022
4113030130123211101133301
5101332313423114044441
61000542504141401225
730325665422553620
oct2714343345213761
9441162211535068
10102010231003121
112a55a329000041
12b536323b69215
1344bc6a61b84cc
141b294703976b7
15bbd7c0a8a84b
hex5cc71b9517f1

102010231003121 has 16 divisors (see below), whose sum is σ = 123443918942976. Its totient is φ = 82291989774336.

The previous prime is 102010231003117. The next prime is 102010231003181. The reversal of 102010231003121 is 121300132010201.

It is a cyclic number.

It is not a de Polignac number, because 102010231003121 - 22 = 102010231003117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 102010231003121.

It is not an unprimeable number, because it can be changed into a prime (102010231003181) 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, 5320976 + ... + 15242481.

It is an arithmetic number, because the mean of its divisors is an integer number (7715244933936).

Almost surely, 2102010231003121 is an apocalyptic number.

It is an amenable number.

102010231003121 is a deficient number, since it is larger than the sum of its proper divisors (21433687939855).

102010231003121 is a wasteful number, since it uses less digits than its factorization.

102010231003121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20605168.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102010231003121 its reverse (121300132010201), we get a palindrome (223310363013322).

The spelling of 102010231003121 in words is "one hundred two trillion, ten billion, two hundred thirty-one million, three thousand, one hundred twenty-one".

Divisors: 1 7 17 119 41687 291809 708679 4960753 20563457 143944199 349578769 2447051383 857228831959 6000601823713 14572890143303 102010231003121