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101512113016465 = 526878975532937
BaseRepresentation
bin10111000101001100100001…
…011011111100111010010001
3111022102110111200201122210201
4113011030201123330322101
5101301133301413011330
6555522004304255201
730245002535541514
oct2705144133747221
9438373450648721
10101512113016465
112a388055423078
12b475889311501
134484721c443c8
141b0d2d90b8d7b
15bb086a2b0eca
hex5c53216fce91

101512113016465 has 8 divisors (see below), whose sum is σ = 121814990430120. Its totient is φ = 81209387206272.

The previous prime is 101512113016453. The next prime is 101512113016471. The reversal of 101512113016465 is 564610311215101.

It can be written as a sum of positive squares in 4 ways, for example, as 5072819253264 + 96439293763201 = 2252292^2 + 9820351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101512113016465 - 221 = 101512110919313 is a prime.

It is a super-2 number, since 2×1015121130164652 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36422524 + ... + 39110413.

It is an arithmetic number, because the mean of its divisors is an integer number (15226873803765).

Almost surely, 2101512113016465 is an apocalyptic number.

It is an amenable number.

101512113016465 is a deficient number, since it is larger than the sum of its proper divisors (20302877413655).

101512113016465 is an equidigital number, since it uses as much as digits as its factorization.

101512113016465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75801731.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 101512113016465 in words is "one hundred one trillion, five hundred twelve billion, one hundred thirteen million, sixteen thousand, four hundred sixty-five".

Divisors: 1 5 268789 1343945 75532937 377664685 20302422603293 101512113016465