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102128415163 = 110989920167
BaseRepresentation
bin101111100011101010…
…0111111000110111011
3100202121111122000221221
41133013110333012323
53133124333241123
6114530034212511
710243560130345
oct1370724770673
9322544560857
10102128415163
113a3489119a5
1217962724137
1398277690b8
144d2b9c6295
1529cb01625d
hex17c753f1bb

102128415163 has 4 divisors (see below), whose sum is σ = 102129446320. Its totient is φ = 102127384008.

The previous prime is 102128415143. The next prime is 102128415173. The reversal of 102128415163 is 361514821201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102128415163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102128415113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349095 + ... + 571072.

It is an arithmetic number, because the mean of its divisors is an integer number (25532361580).

Almost surely, 2102128415163 is an apocalyptic number.

102128415163 is a deficient number, since it is larger than the sum of its proper divisors (1031157).

102128415163 is an equidigital number, since it uses as much as digits as its factorization.

102128415163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031156.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 102128415163 in words is "one hundred two billion, one hundred twenty-eight million, four hundred fifteen thousand, one hundred sixty-three".

Divisors: 1 110989 920167 102128415163