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115100510661 = 3218796806251
BaseRepresentation
bin110101100110010000…
…1100110100111000101
3102000002112220202122100
41223030201212213011
53341211212320121
6124513151222313
711213204124633
oct1531441464705
9360075822570
10115100510661
11448a5268284
121a382b17999
13ab1411a856
1457dc76a353
152ed9ca5026
hex1acc8669c5

115100510661 has 12 divisors (see below), whose sum is σ = 166344798880. Its totient is φ = 76692825000.

The previous prime is 115100510639. The next prime is 115100510687. The reversal of 115100510661 is 166015001511.

It is not a de Polignac number, because 115100510661 - 213 = 115100502469 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 (115100510611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3386215 + ... + 3420036.

Almost surely, 2115100510661 is an apocalyptic number.

It is an amenable number.

115100510661 is a deficient number, since it is larger than the sum of its proper divisors (51244288219).

115100510661 is a wasteful number, since it uses less digits than its factorization.

115100510661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808136 (or 6808133 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The spelling of 115100510661 in words is "one hundred fifteen billion, one hundred million, five hundred ten thousand, six hundred sixty-one".

Divisors: 1 3 9 1879 5637 16911 6806251 20418753 61256259 12788945629 38366836887 115100510661