Base | Representation |
---|---|
bin | 1011111011011010110101… |
… | …0101001010100101010001 |
3 | 1201102211020210011202101212 |
4 | 2332312231111022211101 |
5 | 3204340411422131200 |
6 | 43521052412105505 |
7 | 2522362623314213 |
oct | 276665525124521 |
9 | 51384223152355 |
10 | 13115443161425 |
11 | 41a7256822620 |
12 | 1579a3b465295 |
13 | 741a1ca87ca7 |
14 | 334b100a85b3 |
15 | 17b269573035 |
hex | bedad54a951 |
13115443161425 has 24 divisors (see below), whose sum is σ = 18076365181440. Its totient is φ = 9358532331200.
The previous prime is 13115443161413. The next prime is 13115443161427. The reversal of 13115443161425 is 52416134451131.
It is not a de Polignac number, because 13115443161425 - 240 = 12015931533649 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13115443161427) 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, 449914865 + ... + 449944014.
It is an arithmetic number, because the mean of its divisors is an integer number (753181882560).
Almost surely, 213115443161425 is an apocalyptic number.
It is an amenable number.
13115443161425 is a deficient number, since it is larger than the sum of its proper divisors (4960922020015).
13115443161425 is a wasteful number, since it uses less digits than its factorization.
13115443161425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 899858953 (or 899858948 counting only the distinct ones).
The product of its digits is 172800, while the sum is 41.
The spelling of 13115443161425 in words is "thirteen trillion, one hundred fifteen billion, four hundred forty-three million, one hundred sixty-one thousand, four hundred twenty-five".
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