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8131112396 = 2211219884201
BaseRepresentation
bin1111001001010011…
…01110110111001100
3202222200010022021222
413210221232313030
5113123031044041
63422501542512
7405332213021
oct74451566714
922880108258
108131112396
1134a288a100
1216ab114a38
139c775b014
14571c77548
15328c9874b
hex1e4a6edcc

8131112396 has 36 divisors (see below), whose sum is σ = 16463841240. Its totient is φ = 3501432000.

The previous prime is 8131112281. The next prime is 8131112399. The reversal of 8131112396 is 6932111318.

It is a super-2 number, since 2×81311123962 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8131112399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432905 + ... + 451296.

Almost surely, 28131112396 is an apocalyptic number.

It is an amenable number.

8131112396 is an abundant number, since it is smaller than the sum of its proper divisors (8332728844).

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

8131112396 is a wasteful number, since it uses less digits than its factorization.

8131112396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884246 (or 884233 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 8131112396 is about 90172.6809848748. The cubic root of 8131112396 is about 2010.8668815048.

The spelling of 8131112396 in words is "eight billion, one hundred thirty-one million, one hundred twelve thousand, three hundred ninety-six".

Divisors: 1 2 4 11 19 22 38 44 76 121 209 242 418 484 836 2299 4598 9196 884201 1768402 3536804 9726211 16799819 19452422 33599638 38904844 67199276 106988321 184798009 213976642 369596018 427953284 739192036 2032778099 4065556198 8131112396