Search a number
-
+
12697161494 = 210429608743
BaseRepresentation
bin10111101001100111…
…10100111100010110
31012202212221122010112
423310303310330112
5202000433131434
65455532123022
7626435043353
oct136463647426
935685848115
1012697161494
1154262423a6
122564306472
13127471bc14
1488645762a
154e4a81dce
hex2f4cf4f16

12697161494 has 8 divisors (see below), whose sum is σ = 19047599760. Its totient is φ = 6347961576.

The previous prime is 12697161473. The next prime is 12697161517. The reversal of 12697161494 is 49416179621.

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

It is a super-2 number, since 2×126971614942 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283514 + ... + 325229.

It is an arithmetic number, because the mean of its divisors is an integer number (2380949970).

Almost surely, 212697161494 is an apocalyptic number.

12697161494 is a deficient number, since it is larger than the sum of its proper divisors (6350438266).

12697161494 is a wasteful number, since it uses less digits than its factorization.

12697161494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619174.

The product of its digits is 653184, while the sum is 50.

The spelling of 12697161494 in words is "twelve billion, six hundred ninety-seven million, one hundred sixty-one thousand, four hundred ninety-four".

Divisors: 1 2 10429 20858 608743 1217486 6348580747 12697161494