Base | Representation |
---|---|
bin | 10010010111110100100… |
… | …00000110011111110100 |
3 | 2020100101212010010010210 |
4 | 21023322100012133310 |
5 | 40320312010001012 |
6 | 1201555404545420 |
7 | 63415206225411 |
oct | 11137220063764 |
9 | 2210355103123 |
10 | 631263750132 |
11 | 223798a25824 |
12 | a2414b52270 |
13 | 476b2aa7942 |
14 | 227a6495108 |
15 | 116498c623c |
hex | 92fa4067f4 |
631263750132 has 48 divisors (see below), whose sum is σ = 1512954595712. Its totient is φ = 204707606400.
The previous prime is 631263750121. The next prime is 631263750137. The reversal of 631263750132 is 231057362136.
631263750132 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×6312637501322 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (631263750137) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3487257 + ... + 3663807.
Almost surely, 2631263750132 is an apocalyptic number.
It is an amenable number.
631263750132 is an abundant number, since it is smaller than the sum of its proper divisors (881690845580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
631263750132 is a wasteful number, since it uses less digits than its factorization.
631263750132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184648 (or 184646 counting only the distinct ones).
The product of its (nonzero) digits is 136080, while the sum is 39.
The spelling of 631263750132 in words is "six hundred thirty-one billion, two hundred sixty-three million, seven hundred fifty thousand, one hundred thirty-two".
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