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13316855468 = 2272320678347
BaseRepresentation
bin11000110011011111…
…10001011010101100
31021101002000100110012
430121233301122230
5204233103333333
610041230232352
7651001255340
oct143157613254
937332010405
1013316855468
115714021684
1226b79556b8
131342c21847
14904889620
1552e18ee48
hex319bf16ac

13316855468 has 24 divisors (see below), whose sum is σ = 27791699712. Its totient is φ = 5459083344.

The previous prime is 13316855467. The next prime is 13316855483. The reversal of 13316855468 is 86455861331.

It is not an unprimeable number, because it can be changed into a prime (13316855467) 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 7 ways as a sum of consecutive naturals, for example, 10338530 + ... + 10339817.

It is an arithmetic number, because the mean of its divisors is an integer number (1157987488).

Almost surely, 213316855468 is an apocalyptic number.

It is an amenable number.

13316855468 is an abundant number, since it is smaller than the sum of its proper divisors (14474844244).

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

13316855468 is a wasteful number, since it uses less digits than its factorization.

13316855468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20678381 (or 20678379 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 50.

The spelling of 13316855468 in words is "thirteen billion, three hundred sixteen million, eight hundred fifty-five thousand, four hundred sixty-eight".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 20678347 41356694 82713388 144748429 289496858 475601981 578993716 951203962 1902407924 3329213867 6658427734 13316855468