Base | Representation |
---|---|
bin | 101010000000011110… |
… | …000010100101010000 |
3 | 11022102110002000012101 |
4 | 222000132002211100 |
5 | 1214333342002004 |
6 | 32415421210144 |
7 | 3154513304401 |
oct | 520036024520 |
9 | 138373060171 |
10 | 45105031504 |
11 | 18146683845 |
12 | 88a9700954 |
13 | 433a8c6b70 |
14 | 227c5ad9a8 |
15 | 128ec88ba4 |
hex | a80782950 |
45105031504 has 20 divisors (see below), whose sum is σ = 94113383476. Its totient is φ = 20817706752.
The previous prime is 45105031501. The next prime is 45105031511. The reversal of 45105031504 is 40513050154.
It can be written as a sum of positive squares in 2 ways, for example, as 17595491904 + 27509539600 = 132648^2 + 165860^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45105031501) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108425349 + ... + 108425764.
Almost surely, 245105031504 is an apocalyptic number.
It is an amenable number.
45105031504 is an abundant number, since it is smaller than the sum of its proper divisors (49008351972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45105031504 is a wasteful number, since it uses less digits than its factorization.
45105031504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216851134 (or 216851128 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 28.
Adding to 45105031504 its reverse (40513050154), we get a palindrome (85618081658).
The spelling of 45105031504 in words is "forty-five billion, one hundred five million, thirty-one thousand, five hundred four".
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