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102935981847 = 334311993949
BaseRepresentation
bin101111111011101110…
…1100110111100010111
3100211200210012200012010
41133313131212330113
53141303102404342
6115142123155303
710302564260226
oct1376735467427
9324623180163
10102935981847
113a722750786
1217b49075b33
139925b6b0ca
144da6d60cbd
152a26d8529c
hex17f7766f17

102935981847 has 4 divisors (see below), whose sum is σ = 137247975800. Its totient is φ = 68623987896.

The previous prime is 102935981791. The next prime is 102935981851. The reversal of 102935981847 is 748189539201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102935981847 - 211 = 102935979799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102935981857) 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, 17155996972 + ... + 17155996977.

It is an arithmetic number, because the mean of its divisors is an integer number (34311993950).

Almost surely, 2102935981847 is an apocalyptic number.

102935981847 is a deficient number, since it is larger than the sum of its proper divisors (34311993953).

102935981847 is an equidigital number, since it uses as much as digits as its factorization.

102935981847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34311993952.

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 102935981847 in words is "one hundred two billion, nine hundred thirty-five million, nine hundred eighty-one thousand, eight hundred forty-seven".

Divisors: 1 3 34311993949 102935981847