Base | Representation |
---|---|
bin | 100111100101111111… |
… | …010101011010011000 |
3 | 11001201211020221110210 |
4 | 213211333111122120 |
5 | 1144031400302104 |
6 | 31310315211120 |
7 | 3033343003350 |
oct | 474577253230 |
9 | 131654227423 |
10 | 42513290904 |
11 | 1703670a767 |
12 | 82a5746aa0 |
13 | 4016986446 |
14 | 20b42bbb60 |
15 | 118c48a989 |
hex | 9e5fd5698 |
42513290904 has 128 divisors (see below), whose sum is σ = 124034135040. Its totient is φ = 11892344832.
The previous prime is 42513290903. The next prime is 42513290909. The reversal of 42513290904 is 40909231524.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42513290903) 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, 1667517 + ... + 1692819.
It is an arithmetic number, because the mean of its divisors is an integer number (969016680).
Almost surely, 242513290904 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42513290904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62017067520).
42513290904 is an abundant number, since it is smaller than the sum of its proper divisors (81520844136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42513290904 is a wasteful number, since it uses less digits than its factorization.
42513290904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25529 (or 25525 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 39.
The spelling of 42513290904 in words is "forty-two billion, five hundred thirteen million, two hundred ninety thousand, nine hundred four".
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