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13640910357 = 323197694353
BaseRepresentation
bin11001011010000111…
…11100011000010101
31022012122210001012010
430231003330120111
5210414033112412
610133324014433
7662014552644
oct145503743025
938178701163
1013640910357
11586aa35938
122788391419
1313950c25b9
1493592135b
1554c85133c
hex32d0fc615

13640910357 has 8 divisors (see below), whose sum is σ = 18978657984. Its totient is φ = 8698551488.

The previous prime is 13640910343. The next prime is 13640910383. The reversal of 13640910357 is 75301904631.

13640910357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13640910357 - 210 = 13640909333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13640917357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98847108 + ... + 98847245.

It is an arithmetic number, because the mean of its divisors is an integer number (2372332248).

Almost surely, 213640910357 is an apocalyptic number.

It is an amenable number.

13640910357 is a deficient number, since it is larger than the sum of its proper divisors (5337747627).

13640910357 is a wasteful number, since it uses less digits than its factorization.

13640910357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197694379.

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 13640910357 in words is "thirteen billion, six hundred forty million, nine hundred ten thousand, three hundred fifty-seven".

Divisors: 1 3 23 69 197694353 593083059 4546970119 13640910357