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107193432979 = 138297751351
BaseRepresentation
bin110001111010100111…
…0011111101110010011
3101020200111100121012101
41203311032133232103
53224013004323404
6121124411141231
710513232101213
oct1436516375623
9336614317171
10107193432979
1141507997836
1218936a44817
13a153c10869
14528c570243
152bc5a122a4
hex18f539fb93

107193432979 has 4 divisors (see below), whose sum is σ = 107201198160. Its totient is φ = 107185667800.

The previous prime is 107193432971. The next prime is 107193433013. The reversal of 107193432979 is 979234391701.

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

It is a cyclic number.

It is not a de Polignac number, because 107193432979 - 23 = 107193432971 is a prime.

It is a super-2 number, since 2×1071934329792 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107193432971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3861847 + ... + 3889504.

It is an arithmetic number, because the mean of its divisors is an integer number (26800299540).

Almost surely, 2107193432979 is an apocalyptic number.

107193432979 is a deficient number, since it is larger than the sum of its proper divisors (7765181).

107193432979 is an equidigital number, since it uses as much as digits as its factorization.

107193432979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7765180.

The product of its (nonzero) digits is 2571912, while the sum is 55.

The spelling of 107193432979 in words is "one hundred seven billion, one hundred ninety-three million, four hundred thirty-two thousand, nine hundred seventy-nine".

Divisors: 1 13829 7751351 107193432979