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105156512 = 253286141
BaseRepresentation
bin1100100010010…
…00111110100000
321022212111121122
412101020332200
5203410002022
614233511412
72414546516
oct621107640
9238774548
10105156512
11543a370a
122b272568
1318a2a8b6
14dd744b6
159372742
hex6448fa0

105156512 has 12 divisors (see below), whose sum is σ = 207026946. Its totient is φ = 52578240.

The previous prime is 105156503. The next prime is 105156517. The reversal of 105156512 is 215651501.

It can be written as a sum of positive squares in only one way, i.e., 78074896 + 27081616 = 8836^2 + 5204^2 .

It is a super-2 number, since 2×1051565122 = 22115784032012288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105156517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643039 + ... + 1643102.

Almost surely, 2105156512 is an apocalyptic number.

It is an amenable number.

105156512 is a deficient number, since it is larger than the sum of its proper divisors (101870434).

105156512 is an equidigital number, since it uses as much as digits as its factorization.

105156512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286151 (or 3286143 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 105156512 is about 10254.5849257783. The cubic root of 105156512 is about 472.0036866513.

The spelling of 105156512 in words is "one hundred five million, one hundred fifty-six thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 3286141 6572282 13144564 26289128 52578256 105156512