Base | Representation |
---|---|
bin | 10111101010001000… |
… | …01011001101000011 |
3 | 1012210012000100201012 |
4 | 23311010023031003 |
5 | 202003032300404 |
6 | 5500204031135 |
7 | 626516342444 |
oct | 136504131503 |
9 | 35705010635 |
10 | 12701446979 |
11 | 54286aa121 |
12 | 25658324ab |
13 | 127558c700 |
14 | 886c512cb |
15 | 4e512ba6e |
hex | 2f510b343 |
12701446979 has 12 divisors (see below), whose sum is σ = 14013150336. Its totient is φ = 11503189152.
The previous prime is 12701446939. The next prime is 12701447029. The reversal of 12701446979 is 97964410721.
It is not a de Polignac number, because 12701446979 - 216 = 12701381443 is a prime.
It is a super-2 number, since 2×127014469792 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12701446939) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 700067 + ... + 717980.
It is an arithmetic number, because the mean of its divisors is an integer number (1167762528).
Almost surely, 212701446979 is an apocalyptic number.
12701446979 is a deficient number, since it is larger than the sum of its proper divisors (1311703357).
12701446979 is a wasteful number, since it uses less digits than its factorization.
12701446979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1418126 (or 1418113 counting only the distinct ones).
The product of its (nonzero) digits is 762048, while the sum is 50.
The spelling of 12701446979 in words is "twelve billion, seven hundred one million, four hundred forty-six thousand, nine hundred seventy-nine".
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