Base | Representation |
---|---|
bin | 11101111001000111101010… |
… | …000100101000110011101010 |
3 | 122020111021101110100021021002 |
4 | 131321013222010220303222 |
5 | 114212440123222010110 |
6 | 1143335455442315002 |
7 | 36456201665511506 |
oct | 3571075204506352 |
9 | 566437343307232 |
10 | 131468581047530 |
11 | 3898756a6935a1 |
12 | 128b35a9958a62 |
13 | 584858465054c |
14 | 2467182b77306 |
15 | 102ebed47daa5 |
hex | 7791ea128cea |
131468581047530 has 16 divisors (see below), whose sum is σ = 237042507356424. Its totient is φ = 52498752092160.
The previous prime is 131468581047511. The next prime is 131468581047571. The reversal of 131468581047530 is 35740185864131.
It can be written as a sum of positive squares in 4 ways, for example, as 76341267547801 + 55127313499729 = 8737349^2 + 7424777^2 .
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, 11085034631 + ... + 11085046490.
Almost surely, 2131468581047530 is an apocalyptic number.
131468581047530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131468581047530 is a deficient number, since it is larger than the sum of its proper divisors (105573926308894).
131468581047530 is a wasteful number, since it uses less digits than its factorization.
131468581047530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22170081721.
The product of its (nonzero) digits is 9676800, while the sum is 56.
The spelling of 131468581047530 in words is "one hundred thirty-one trillion, four hundred sixty-eight billion, five hundred eighty-one million, forty-seven thousand, five hundred thirty".
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