Base | Representation |
---|---|
bin | 100101101010011… |
… | …010010111000100 |
3 | 1122000222120120020 |
4 | 211222122113010 |
5 | 2243230000022 |
6 | 142411135140 |
7 | 21441564126 |
oct | 4552322704 |
9 | 1560876506 |
10 | 631875012 |
11 | 2a474a05a |
12 | 1577444b0 |
13 | a0ba9152 |
14 | 5dcc3216 |
15 | 3a71735c |
hex | 25a9a5c4 |
631875012 has 24 divisors (see below), whose sum is σ = 1482616800. Its totient is φ = 209447616.
The previous prime is 631874993. The next prime is 631875031. The reversal of 631875012 is 210578136.
It is an interprime number because it is at equal distance from previous prime (631874993) and next prime (631875031).
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, 144937 + ... + 149232.
It is an arithmetic number, because the mean of its divisors is an integer number (61775700).
Almost surely, 2631875012 is an apocalyptic number.
It is an amenable number.
631875012 is an abundant number, since it is smaller than the sum of its proper divisors (850741788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
631875012 is a wasteful number, since it uses less digits than its factorization.
631875012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294355 (or 294353 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 631875012 is about 25137.1241791896. The cubic root of 631875012 is about 858.1115095697. Note that the first 3 decimals are identical.
The spelling of 631875012 in words is "six hundred thirty-one million, eight hundred seventy-five thousand, twelve".
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