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13867489105 = 519114520931
BaseRepresentation
bin11001110101001000…
…10001011101010001
31022210110010102210121
430322210101131101
5211400034122410
610212020230241
71000435466251
oct147244213521
938713112717
1013867489105
1159769218a8
12283023b381
131400024572
14957a61961
155626aa9da
hex33a911751

13867489105 has 8 divisors (see below), whose sum is σ = 16728113664. Its totient is φ = 11035906800.

The previous prime is 13867489079. The next prime is 13867489127. The reversal of 13867489105 is 50198476831.

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

It is not a de Polignac number, because 13867489105 - 219 = 13866964817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7259511 + ... + 7261420.

It is an arithmetic number, because the mean of its divisors is an integer number (2091014208).

Almost surely, 213867489105 is an apocalyptic number.

It is an amenable number.

13867489105 is a deficient number, since it is larger than the sum of its proper divisors (2860624559).

13867489105 is a wasteful number, since it uses less digits than its factorization.

13867489105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14521127.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 13867489105 in words is "thirteen billion, eight hundred sixty-seven million, four hundred eighty-nine thousand, one hundred five".

Divisors: 1 5 191 955 14520931 72604655 2773497821 13867489105