Base | Representation |
---|---|
bin | 101010000001100011… |
… | …011110000110011010 |
3 | 11022110201022200210112 |
4 | 222001203132012122 |
5 | 1214403021412104 |
6 | 32421311244322 |
7 | 3155124100460 |
oct | 520143360632 |
9 | 138421280715 |
10 | 45123232154 |
11 | 18155985200 |
12 | 88b38196a2 |
13 | 43415ca290 |
14 | 2280b8a830 |
15 | 129168186e |
hex | a818de19a |
45123232154 has 192 divisors, whose sum is σ = 95347746816. Its totient is φ = 15567552000.
The previous prime is 45123232129. The next prime is 45123232169.
45123232154 is nontrivially palindromic in base 10.
It is a super-2 number, since 2×451232321542 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 45123232154.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 107180864 + ... + 107181284.
It is an arithmetic number, because the mean of its divisors is an integer number (496602848).
Almost surely, 245123232154 is an apocalyptic number.
45123232154 is an abundant number, since it is smaller than the sum of its proper divisors (50224514662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45123232154 is a wasteful number, since it uses less digits than its factorization.
45123232154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 653 (or 642 counting only the distinct ones).
The product of its digits is 28800, while the sum is 32.
The spelling of 45123232154 in words is "forty-five billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred fifty-four".
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