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102680863 = 173593531
BaseRepresentation
bin1100001111011…
…00100100011111
321011012201122221
412013230210133
5202241241423
614104450211
72354526055
oct607544437
9234181587
10102680863
1152a6271a
122a479967
1318371b0c
14d8cc1d5
159033e5d
hex61ec91f

102680863 has 4 divisors (see below), whose sum is σ = 103274568. Its totient is φ = 102087160.

The previous prime is 102680857. The next prime is 102680869. The reversal of 102680863 is 368086201.

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

It is an interprime number because it is at equal distance from previous prime (102680857) and next prime (102680869).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102680863 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 (102680869) 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, 296593 + ... + 296938.

It is an arithmetic number, because the mean of its divisors is an integer number (25818642).

Almost surely, 2102680863 is an apocalyptic number.

102680863 is a deficient number, since it is larger than the sum of its proper divisors (593705).

102680863 is an equidigital number, since it uses as much as digits as its factorization.

102680863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593704.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 102680863 is about 10133.1566157837. The cubic root of 102680863 is about 468.2701811845.

The spelling of 102680863 in words is "one hundred two million, six hundred eighty thousand, eight hundred sixty-three".

Divisors: 1 173 593531 102680863