Base | Representation |
---|---|
bin | 100111100111000101… |
… | …010101001110010010 |
3 | 11001210002210011222201 |
4 | 213213011111032102 |
5 | 1144101044441320 |
6 | 31312212353414 |
7 | 3033654656023 |
oct | 474705251622 |
9 | 131702704881 |
10 | 42531640210 |
11 | 17046002884 |
12 | 82ab91586a |
13 | 401a70c417 |
14 | 20b68d6c4a |
15 | 118ddb270a |
hex | 9e7155392 |
42531640210 has 16 divisors (see below), whose sum is σ = 76574995992. Its totient is φ = 17008646400.
The previous prime is 42531640189. The next prime is 42531640211. The reversal of 42531640210 is 1204613524.
42531640210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 40305782169 + 2225858041 = 200763^2 + 47179^2 .
It is not an unprimeable number, because it can be changed into a prime (42531640211) 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, 456471 + ... + 541690.
Almost surely, 242531640210 is an apocalyptic number.
42531640210 is a deficient number, since it is larger than the sum of its proper divisors (34043355782).
42531640210 is a wasteful number, since it uses less digits than its factorization.
42531640210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1002429.
The product of its (nonzero) digits is 5760, while the sum is 28.
The spelling of 42531640210 in words is "forty-two billion, five hundred thirty-one million, six hundred forty thousand, two hundred ten".
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