Base | Representation |
---|---|
bin | 11000011110000101… |
… | …01101110010001111 |
3 | 1020220120002120011211 |
4 | 30033002231302033 |
5 | 203401120200301 |
6 | 10011333155251 |
7 | 643360653256 |
oct | 141702556217 |
9 | 36816076154 |
10 | 13137271951 |
11 | 5631713951 |
12 | 266778bb27 |
13 | 13149653cb |
14 | 8c8a9d79d |
15 | 51d51a051 |
hex | 30f0adc8f |
13137271951 has 16 divisors (see below), whose sum is σ = 14611027968. Its totient is φ = 11748528000.
The previous prime is 13137271943. The next prime is 13137271967. The reversal of 13137271951 is 15917273131.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 13137271951 - 23 = 13137271943 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13137271051) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52215 + ... + 170296.
It is an arithmetic number, because the mean of its divisors is an integer number (913189248).
Almost surely, 213137271951 is an apocalyptic number.
13137271951 is a deficient number, since it is larger than the sum of its proper divisors (1473756017).
13137271951 is a wasteful number, since it uses less digits than its factorization.
13137271951 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 222702.
The product of its digits is 39690, while the sum is 40.
The spelling of 13137271951 in words is "thirteen billion, one hundred thirty-seven million, two hundred seventy-one thousand, nine hundred fifty-one".
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