Base | Representation |
---|---|
bin | 101010000010011110… |
… | …000010010100110000 |
3 | 11022111210012200210000 |
4 | 222002132002110300 |
5 | 1214420434204010 |
6 | 32423020310000 |
7 | 3155401432554 |
oct | 520236022460 |
9 | 138453180700 |
10 | 45138584880 |
11 | 18163610a04 |
12 | 88b89a2300 |
13 | 434484432c |
14 | 2282c25864 |
15 | 1292bb57c0 |
hex | a82782530 |
45138584880 has 100 divisors (see below), whose sum is σ = 156773014992. Its totient is φ = 12036954240.
The previous prime is 45138584863. The next prime is 45138584891. The reversal of 45138584880 is 8848583154.
45138584880 is a `hidden beast` number, since 4 + 51 + 3 + 8 + 584 + 8 + 8 + 0 = 666.
It is a super-2 number, since 2×451385848802 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3476436 + ... + 3489395.
Almost surely, 245138584880 is an apocalyptic number.
45138584880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
45138584880 is an abundant number, since it is smaller than the sum of its proper divisors (111634430112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45138584880 is a wasteful number, since it uses less digits than its factorization.
45138584880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6965856 (or 6965841 counting only the distinct ones).
The product of its (nonzero) digits is 4915200, while the sum is 54.
The spelling of 45138584880 in words is "forty-five billion, one hundred thirty-eight million, five hundred eighty-four thousand, eight hundred eighty".
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