Base | Representation |
---|---|
bin | 111101000100111010… |
… | …0110110010010110011 |
3 | 110112112212020000011200 |
4 | 1322021310312102303 |
5 | 4122104301220342 |
6 | 140131002542243 |
7 | 12322205043225 |
oct | 1721164662263 |
9 | 415485200150 |
10 | 131161351347 |
11 | 50697188634 |
12 | 21505807983 |
13 | c4a3686590 |
14 | 64c3818415 |
15 | 3629cb794c |
hex | 1e89d364b3 |
131161351347 has 12 divisors (see below), whose sum is σ = 204028768944. Its totient is φ = 80714677680.
The previous prime is 131161351337. The next prime is 131161351357. The reversal of 131161351347 is 743153161131.
131161351347 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 613 + 5 + 1 + 34 + 7 = 666.
It is an interprime number because it is at equal distance from previous prime (131161351337) and next prime (131161351357).
It is not a de Polignac number, because 131161351347 - 24 = 131161351331 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (131161351337) 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, 560518479 + ... + 560518712.
It is an arithmetic number, because the mean of its divisors is an integer number (17002397412).
Almost surely, 2131161351347 is an apocalyptic number.
131161351347 is a deficient number, since it is larger than the sum of its proper divisors (72867417597).
131161351347 is a wasteful number, since it uses less digits than its factorization.
131161351347 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1121037210 (or 1121037207 counting only the distinct ones).
The product of its digits is 22680, while the sum is 36.
The spelling of 131161351347 in words is "one hundred thirty-one billion, one hundred sixty-one million, three hundred fifty-one thousand, three hundred forty-seven".
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