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13926229879 = 106631306033
BaseRepresentation
bin11001111100001000…
…10110011101110111
31022221112122202222211
430332010112131313
5212010103324004
610221515234251
71002051000202
oct147604263567
938845582884
1013926229879
1159a6aa26a1
122847a48987
13140c250313
14961792939
15567910504
hex33e116777

13926229879 has 4 divisors (see below), whose sum is σ = 13927546576. Its totient is φ = 13924913184.

The previous prime is 13926229871. The next prime is 13926229883. The reversal of 13926229879 is 97892262931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13926229879 - 23 = 13926229871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13926229871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642354 + ... + 663679.

It is an arithmetic number, because the mean of its divisors is an integer number (3481886644).

Almost surely, 213926229879 is an apocalyptic number.

13926229879 is a deficient number, since it is larger than the sum of its proper divisors (1316697).

13926229879 is a wasteful number, since it uses less digits than its factorization.

13926229879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316696.

The product of its digits is 5878656, while the sum is 58.

The spelling of 13926229879 in words is "thirteen billion, nine hundred twenty-six million, two hundred twenty-nine thousand, eight hundred seventy-nine".

Divisors: 1 10663 1306033 13926229879