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13340406669 = 331143445233
BaseRepresentation
bin11000110110010011…
…00111001110001101
31021102201022212121220
430123021213032031
5204310121003134
610043431113553
7651405404622
oct143311471615
937381285556
1013340406669
115726347a87
1227038128b9
131347a79475
14907a5a349
15531293149
hex31b26738d

13340406669 has 8 divisors (see below), whose sum is σ = 18360989952. Its totient is φ = 8606713920.

The previous prime is 13340406659. The next prime is 13340406683. The reversal of 13340406669 is 96660404331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-13340406669 is a prime.

It is a super-2 number, since 2×133404066692 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13340406669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13340406659) 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, 71722524 + ... + 71722709.

It is an arithmetic number, because the mean of its divisors is an integer number (2295123744).

Almost surely, 213340406669 is an apocalyptic number.

It is an amenable number.

13340406669 is a deficient number, since it is larger than the sum of its proper divisors (5020583283).

13340406669 is a wasteful number, since it uses less digits than its factorization.

13340406669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143445267.

The product of its (nonzero) digits is 279936, while the sum is 42.

The spelling of 13340406669 in words is "thirteen billion, three hundred forty million, four hundred six thousand, six hundred sixty-nine".

Divisors: 1 3 31 93 143445233 430335699 4446802223 13340406669