Base | Representation |
---|---|
bin | 111111011001011101… |
… | …0011011010010010000 |
3 | 111000102020001110001121 |
4 | 1332302322123102100 |
5 | 4212311241143421 |
6 | 142313333412024 |
7 | 12556546621531 |
oct | 1766272332220 |
9 | 430366043047 |
10 | 136145646736 |
11 | 52814739520 |
12 | 22476a9a014 |
13 | cab91a6ba8 |
14 | 683778c688 |
15 | 381c66ad41 |
hex | 1fb2e9b490 |
136145646736 has 160 divisors (see below), whose sum is σ = 304762208256. Its totient is φ = 58344192000.
The previous prime is 136145646731. The next prime is 136145646757. The reversal of 136145646736 is 637646541631.
It is not an unprimeable number, because it can be changed into a prime (136145646731) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61799011 + ... + 61801213.
Almost surely, 2136145646736 is an apocalyptic number.
136145646736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 136145646736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152381104128).
136145646736 is an abundant number, since it is smaller than the sum of its proper divisors (168616561520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
136145646736 is a wasteful number, since it uses less digits than its factorization.
136145646736 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2541 (or 2535 counting only the distinct ones).
The product of its digits is 6531840, while the sum is 52.
The spelling of 136145646736 in words is "one hundred thirty-six billion, one hundred forty-five million, six hundred forty-six thousand, seven hundred thirty-six".
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