Base | Representation |
---|---|
bin | 101010010011001011… |
… | …011011101111100010 |
3 | 11100020022201020112200 |
4 | 222103023123233202 |
5 | 1221004220432210 |
6 | 32510513034030 |
7 | 3165344313045 |
oct | 522313335742 |
9 | 140208636480 |
10 | 45418920930 |
11 | 18297884599 |
12 | 8976855916 |
13 | 438a948956 |
14 | 22ac15ac5c |
15 | 12ac5dd0c0 |
hex | a932dbbe2 |
45418920930 has 96 divisors (see below), whose sum is σ = 119113136064. Its totient is φ = 12007052928.
The previous prime is 45418920929. The next prime is 45418920931. The reversal of 45418920930 is 3902981454.
45418920930 is a `hidden beast` number, since 4 + 541 + 89 + 20 + 9 + 3 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (45418920929) and next prime (45418920931).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (45418920931) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6595269 + ... + 6602151.
It is an arithmetic number, because the mean of its divisors is an integer number (1240761834).
Almost surely, 245418920930 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 45418920930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59556568032).
45418920930 is an abundant number, since it is smaller than the sum of its proper divisors (73694215134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45418920930 is a wasteful number, since it uses less digits than its factorization.
45418920930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7520 (or 7517 counting only the distinct ones).
The product of its (nonzero) digits is 311040, while the sum is 45.
The spelling of 45418920930 in words is "forty-five billion, four hundred eighteen million, nine hundred twenty thousand, nine hundred thirty".
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