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102045661513 = 971511696239
BaseRepresentation
bin101111100001001100…
…1010011100101001001
3100202101201220201021221
41133002121103211021
53132442142132023
6114513520402041
710241533545145
oct1370231234511
9322351821257
10102045661513
113a30612a954
121793aa76321
139813583543
144d20a04225
1529c3b1b85d
hex17c2653949

102045661513 has 8 divisors (see below), whose sum is σ = 103166058240. Its totient is φ = 100926660480.

The previous prime is 102045661481. The next prime is 102045661577. The reversal of 102045661513 is 315166540201.

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 102045661513 - 25 = 102045661481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102045661313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201553 + ... + 494686.

It is an arithmetic number, because the mean of its divisors is an integer number (12895757280).

Almost surely, 2102045661513 is an apocalyptic number.

It is an amenable number.

102045661513 is a deficient number, since it is larger than the sum of its proper divisors (1120396727).

102045661513 is an equidigital number, since it uses as much as digits as its factorization.

102045661513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697847.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 102045661513 in words is "one hundred two billion, forty-five million, six hundred sixty-one thousand, five hundred thirteen".

Divisors: 1 97 1511 146567 696239 67535183 1052017129 102045661513