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105115665184 = 253284864537
BaseRepresentation
bin110000111100101100…
…0011100001100100000
3101001022200200001121121
41201321120130030200
53210234102241214
6120142305302024
710410602261155
oct1417130341440
9331280601547
10105115665184
1140641064072
1218457034914
139bb260816a
14513263022c
152b033dc424
hex187961c320

105115665184 has 12 divisors (see below), whose sum is σ = 206946465894. Its totient is φ = 52557832576.

The previous prime is 105115665169. The next prime is 105115665197. The reversal of 105115665184 is 481566511501.

It can be written as a sum of positive squares in only one way, i.e., 82863379600 + 22252285584 = 287860^2 + 149172^2 .

It is a super-2 number, since 2×1051156651842 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105115665184.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642432237 + ... + 1642432300.

Almost surely, 2105115665184 is an apocalyptic number.

It is an amenable number.

105115665184 is a deficient number, since it is larger than the sum of its proper divisors (101830800710).

105115665184 is an equidigital number, since it uses as much as digits as its factorization.

105115665184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284864547 (or 3284864539 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 43.

The spelling of 105115665184 in words is "one hundred five billion, one hundred fifteen million, six hundred sixty-five thousand, one hundred eighty-four".

Divisors: 1 2 4 8 16 32 3284864537 6569729074 13139458148 26278916296 52557832592 105115665184