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115072079 is a prime number
BaseRepresentation
bin1101101101111…
…01110001001111
322000112021012212
412312331301033
5213424301304
615230221035
72565045053
oct666756117
9260467185
10115072079
1159a563a1
123265477b
131aabcbb5
14113d5c63
15a18066e
hex6dbdc4f

115072079 has 2 divisors, whose sum is σ = 115072080. Its totient is φ = 115072078.

The previous prime is 115072073. The next prime is 115072127. The reversal of 115072079 is 970270511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115072079 - 28 = 115071823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115072073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57536039 + 57536040.

It is an arithmetic number, because the mean of its divisors is an integer number (57536040).

Almost surely, 2115072079 is an apocalyptic number.

115072079 is a deficient number, since it is larger than the sum of its proper divisors (1).

115072079 is an equidigital number, since it uses as much as digits as its factorization.

115072079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 115072079 is about 10727.1654690323. The cubic root of 115072079 is about 486.3959907744.

The spelling of 115072079 in words is "one hundred fifteen million, seventy-two thousand, seventy-nine".