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3105115156 = 22111341132403
BaseRepresentation
bin1011100100010100…
…0100110000010100
322000101211012020001
42321011010300110
522324402141111
61232041221044
7136643020603
oct27105046024
98011735201
103105115156
111353835a80
12727a91784
133a63c9360
14216569a3a
151329091c1
hexb9144c14

3105115156 has 48 divisors (see below), whose sum is σ = 6539698368. Its totient is φ = 1271059200.

The previous prime is 3105115133. The next prime is 3105115157. The reversal of 3105115156 is 6515115013.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3105115157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42750 + ... + 89653.

It is an arithmetic number, because the mean of its divisors is an integer number (136243716).

Almost surely, 23105115156 is an apocalyptic number.

It is an amenable number.

3105115156 is an abundant number, since it is smaller than the sum of its proper divisors (3434583212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3105115156 is a wasteful number, since it uses less digits than its factorization.

3105115156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132472 (or 132470 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 3105115156 is about 55723.5601518783. The cubic root of 3105115156 is about 1458.9012744417.

The spelling of 3105115156 in words is "three billion, one hundred five million, one hundred fifteen thousand, one hundred fifty-six".

Divisors: 1 2 4 11 13 22 26 41 44 52 82 143 164 286 451 533 572 902 1066 1804 2132 5863 11726 23452 132403 264806 529612 1456433 1721239 2912866 3442478 5428523 5825732 6884956 10857046 18933629 21714092 37867258 59713753 70570799 75734516 119427506 141141598 238855012 282283196 776278789 1552557578 3105115156