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13437999357 = 310314344649
BaseRepresentation
bin11001000001111011…
…11001100011111101
31021200111222002121220
430200331321203331
5210010111434412
610101234543553
7654002052456
oct144075714375
937614862556
1013437999357
1157764448a2
122730437bb9
131362059313
149169c212d
15539b1e68c
hex320f798fd

13437999357 has 8 divisors (see below), whose sum is σ = 17934715200. Its totient is φ = 8949974880.

The previous prime is 13437999301. The next prime is 13437999371. The reversal of 13437999357 is 75399973431.

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

It is not a de Polignac number, because 13437999357 - 226 = 13370890493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13437999357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13437999557) 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, 2169232 + ... + 2175417.

It is an arithmetic number, because the mean of its divisors is an integer number (2241839400).

Almost surely, 213437999357 is an apocalyptic number.

It is an amenable number.

13437999357 is a deficient number, since it is larger than the sum of its proper divisors (4496715843).

13437999357 is a wasteful number, since it uses less digits than its factorization.

13437999357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345683.

The product of its digits is 19289340, while the sum is 60.

The spelling of 13437999357 in words is "thirteen billion, four hundred thirty-seven million, nine hundred ninety-nine thousand, three hundred fifty-seven".

Divisors: 1 3 1031 3093 4344649 13033947 4479333119 13437999357