Base | Representation |
---|---|
bin | 111101011101011110… |
… | …1001000011111010100 |
3 | 110121200022012111211110 |
4 | 1322322331020133110 |
5 | 4130301303402422 |
6 | 140344445335020 |
7 | 12351504100626 |
oct | 1727275103724 |
9 | 417608174743 |
10 | 131985606612 |
11 | 50a7a485832 |
12 | 216b5867470 |
13 | c5a537c6a2 |
14 | 6561098c16 |
15 | 367733160c |
hex | 1ebaf487d4 |
131985606612 has 24 divisors (see below), whose sum is σ = 314518893696. Its totient is φ = 43059133888.
The previous prime is 131985606611. The next prime is 131985606647. The reversal of 131985606612 is 216606589131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131985606611) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117007953 + ... + 117009080.
It is an arithmetic number, because the mean of its divisors is an integer number (13104953904).
Almost surely, 2131985606612 is an apocalyptic number.
131985606612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131985606612 is an abundant number, since it is smaller than the sum of its proper divisors (182533287084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131985606612 is a wasteful number, since it uses less digits than its factorization.
131985606612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234017087 (or 234017085 counting only the distinct ones).
The product of its (nonzero) digits is 466560, while the sum is 48.
The spelling of 131985606612 in words is "one hundred thirty-one billion, nine hundred eighty-five million, six hundred six thousand, six hundred twelve".
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