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1311675344 = 24716371849
BaseRepresentation
bin100111000101110…
…1001001111010000
310101102011000022022
41032023221033100
510141242102334
6334053431012
744335025240
oct11613511720
93342130268
101311675344
11613452111
1230733b468
1317b995275
14c62bdb20
157a24982e
hex4e2e93d0

1311675344 has 40 divisors (see below), whose sum is σ = 2922283200. Its totient is φ = 558690048.

The previous prime is 1311675319. The next prime is 1311675347. The reversal of 1311675344 is 4435761131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311675347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17669 + ... + 54180.

It is an arithmetic number, because the mean of its divisors is an integer number (73057080).

Almost surely, 21311675344 is an apocalyptic number.

1311675344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1311675344 is an abundant number, since it is smaller than the sum of its proper divisors (1610607856).

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

1311675344 is a wasteful number, since it uses less digits than its factorization.

1311675344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72027 (or 72021 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 1311675344 is about 36217.0587430840. The cubic root of 1311675344 is about 1094.6504292005.

The spelling of 1311675344 in words is "one billion, three hundred eleven million, six hundred seventy-five thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 163 326 652 1141 1304 2282 2608 4564 9128 18256 71849 143698 287396 502943 574792 1005886 1149584 2011772 4023544 8047088 11711387 23422774 46845548 81979709 93691096 163959418 187382192 327918836 655837672 1311675344