Search a number
-
+
12893518137 = 343713314253
BaseRepresentation
bin11000000001000001…
…10111100100111001
31020021120102120210210
430000200313210321
5202401220040022
65531224501333
7634341044613
oct140040674471
936246376723
1012893518137
115517067015
1225ba01a849
1312a62cba96
148a456bdb3
15506e1ba0c
hex300837939

12893518137 has 32 divisors (see below), whose sum is σ = 17897020416. Its totient is φ = 8250580800.

The previous prime is 12893518133. The next prime is 12893518147. The reversal of 12893518137 is 73181539821.

It is not a de Polignac number, because 12893518137 - 22 = 12893518133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12893518133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3029503 + ... + 3033755.

It is an arithmetic number, because the mean of its divisors is an integer number (559281888).

Almost surely, 212893518137 is an apocalyptic number.

It is an amenable number.

12893518137 is a deficient number, since it is larger than the sum of its proper divisors (5003502279).

12893518137 is a wasteful number, since it uses less digits than its factorization.

12893518137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701.

The product of its digits is 362880, while the sum is 48.

The spelling of 12893518137 in words is "twelve billion, eight hundred ninety-three million, five hundred eighteen thousand, one hundred thirty-seven".

Divisors: 1 3 43 71 129 213 331 993 3053 4253 9159 12759 14233 23501 42699 70503 182879 301963 548637 905889 1010543 1407743 3031629 4223229 12984409 38953227 60532949 99949753 181598847 299849259 4297839379 12893518137