Base | Representation |
---|---|
bin | 111101000000001000… |
… | …1001101001100010111 |
3 | 110112010200111222022221 |
4 | 1322000101031030113 |
5 | 4121242224404030 |
6 | 140103034203211 |
7 | 12315220144435 |
oct | 1720021151427 |
9 | 415120458287 |
10 | 131001013015 |
11 | 50614725014 |
12 | 2147bb83507 |
13 | c4793a7b22 |
14 | 64aa3dbd55 |
15 | 361ab94e7a |
hex | 1e8044d317 |
131001013015 has 8 divisors (see below), whose sum is σ = 157379655888. Its totient is φ = 104681850240.
The previous prime is 131001012977. The next prime is 131001013063. The reversal of 131001013015 is 510310100131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131001013015 - 215 = 131000980247 is a prime.
It is a super-2 number, since 2×1310010130152 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131001013015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14865177 + ... + 14873986.
It is an arithmetic number, because the mean of its divisors is an integer number (19672456986).
Almost surely, 2131001013015 is an apocalyptic number.
131001013015 is a deficient number, since it is larger than the sum of its proper divisors (26378642873).
131001013015 is an equidigital number, since it uses as much as digits as its factorization.
131001013015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29740049.
The product of its (nonzero) digits is 45, while the sum is 16.
Adding to 131001013015 its reverse (510310100131), we get a palindrome (641311113146).
The spelling of 131001013015 in words is "one hundred thirty-one billion, one million, thirteen thousand, fifteen".
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