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13332207681 = 3213547208319
BaseRepresentation
bin11000110101010100…
…10101100001000001
31021102010220022201200
430122222111201001
5204301021121211
610042535251413
7651245616102
oct143252254101
937363808650
1013332207681
115721757a61
122700b19b69
1313461685b0
149069243a9
155306c3b56
hex31aa95841

13332207681 has 24 divisors (see below), whose sum is σ = 20777003520. Its totient is φ = 8189397216.

The previous prime is 13332207673. The next prime is 13332207689. The reversal of 13332207681 is 18670223331.

It is an interprime number because it is at equal distance from previous prime (13332207673) and next prime (13332207689).

It is not a de Polignac number, because 13332207681 - 23 = 13332207673 is a prime.

It is a super-2 number, since 2×133322076812 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13332207689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40161 + ... + 168158.

It is an arithmetic number, because the mean of its divisors is an integer number (865708480).

Almost surely, 213332207681 is an apocalyptic number.

It is an amenable number.

13332207681 is a deficient number, since it is larger than the sum of its proper divisors (7444795839).

13332207681 is a wasteful number, since it uses less digits than its factorization.

13332207681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208885 (or 208882 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 13332207681 in words is "thirteen billion, three hundred thirty-two million, two hundred seven thousand, six hundred eighty-one".

Divisors: 1 3 9 13 39 117 547 1641 4923 7111 21333 63999 208319 624957 1874871 2708147 8124441 24373323 113950493 341851479 1025554437 1481356409 4444069227 13332207681