Base | Representation |
---|---|
bin | 101010000011100010… |
… | …0100000111001100100 |
3 | 22122010001201120001211 |
4 | 1110013010200321210 |
5 | 2434430102441220 |
6 | 105253355401204 |
7 | 6345016204333 |
oct | 1240704407144 |
9 | 278101646054 |
10 | 90312937060 |
11 | 35335331365 |
12 | 15605753204 |
13 | 86938cc738 |
14 | 452a6bbd1a |
15 | 2538a93b5a |
hex | 1507120e64 |
90312937060 has 12 divisors (see below), whose sum is σ = 189657167868. Its totient is φ = 36125174816.
The previous prime is 90312936983. The next prime is 90312937147. The reversal of 90312937060 is 6073921309.
It can be written as a sum of positive squares in 2 ways, for example, as 20079456804 + 70233480256 = 141702^2 + 265016^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257823407 + ... + 2257823446.
It is an arithmetic number, because the mean of its divisors is an integer number (15804763989).
Almost surely, 290312937060 is an apocalyptic number.
It is an amenable number.
90312937060 is an abundant number, since it is smaller than the sum of its proper divisors (99344230808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90312937060 is a wasteful number, since it uses less digits than its factorization.
90312937060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4515646862 (or 4515646860 counting only the distinct ones).
The product of its (nonzero) digits is 61236, while the sum is 40.
The spelling of 90312937060 in words is "ninety billion, three hundred twelve million, nine hundred thirty-seven thousand, sixty".
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