Base | Representation |
---|---|
bin | 10111101001100111… |
… | …10100111100010110 |
3 | 1012202212221122010112 |
4 | 23310303310330112 |
5 | 202000433131434 |
6 | 5455532123022 |
7 | 626435043353 |
oct | 136463647426 |
9 | 35685848115 |
10 | 12697161494 |
11 | 54262423a6 |
12 | 2564306472 |
13 | 127471bc14 |
14 | 88645762a |
15 | 4e4a81dce |
hex | 2f4cf4f16 |
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".
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