Base | Representation |
---|---|
bin | 101010001001110111… |
… | …000011000010110010 |
3 | 11022211102112101202122 |
4 | 222021313003002302 |
5 | 1220144210110223 |
6 | 32443210114242 |
7 | 3161435412200 |
oct | 521167030262 |
9 | 138742471678 |
10 | 45262581938 |
11 | 18217602812 |
12 | 893241b982 |
13 | 436443a682 |
14 | 22954a2070 |
15 | 129da0a5c8 |
hex | a89dc30b2 |
45262581938 has 18 divisors (see below), whose sum is σ = 78982261983. Its totient is φ = 19397346780.
The previous prime is 45262581883. The next prime is 45262581953. The reversal of 45262581938 is 83918526254.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 22631290969 + 22631290969 = 150437^2 + 150437^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=150437.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 45262581938.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2095373 + ... + 2116863.
Almost surely, 245262581938 is an apocalyptic number.
45262581938 is a deficient number, since it is larger than the sum of its proper divisors (33719680045).
45262581938 is an frugal number, since it uses more digits than its factorization.
45262581938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42998 (or 21500 counting only the distinct ones).
The product of its digits is 4147200, while the sum is 53.
The spelling of 45262581938 in words is "forty-five billion, two hundred sixty-two million, five hundred eighty-one thousand, nine hundred thirty-eight".
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