Base | Representation |
---|---|
bin | 11000010100010001… |
… | …01000010011010111 |
3 | 1020200211011110212111 |
4 | 30022020220103113 |
5 | 203214030430104 |
6 | 5555232331451 |
7 | 641341061500 |
oct | 141210502327 |
9 | 36624143774 |
10 | 13054936279 |
11 | 559a197940 |
12 | 26440a3b87 |
13 | 1300897b88 |
14 | 8bbb89ba7 |
15 | 5161a4404 |
hex | 30a2284d7 |
13054936279 has 24 divisors (see below), whose sum is σ = 16575046416. Its totient is φ = 10167696000.
The previous prime is 13054936277. The next prime is 13054936319. The reversal of 13054936279 is 97263945031.
It is not a de Polignac number, because 13054936279 - 21 = 13054936277 is a prime.
It is a super-2 number, since 2×130549362792 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13054936277) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1408099 + ... + 1417339.
It is an arithmetic number, because the mean of its divisors is an integer number (690626934).
Almost surely, 213054936279 is an apocalyptic number.
13054936279 is a deficient number, since it is larger than the sum of its proper divisors (3520110137).
13054936279 is a wasteful number, since it uses less digits than its factorization.
13054936279 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11887 (or 11880 counting only the distinct ones).
The product of its (nonzero) digits is 1224720, while the sum is 49.
The spelling of 13054936279 in words is "thirteen billion, fifty-four million, nine hundred thirty-six thousand, two hundred seventy-nine".
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