Base | Representation |
---|---|
bin | 101010000100100000… |
… | …101101100110111000 |
3 | 11022121011200002012001 |
4 | 222010200231212320 |
5 | 1220003221402023 |
6 | 32430242430344 |
7 | 3156265545400 |
oct | 520440554670 |
9 | 138534602161 |
10 | 45172840888 |
11 | 18180988a5a |
12 | 89083623b4 |
13 | 434b979566 |
14 | 22875c1800 |
15 | 1295bd06ad |
hex | a8482d9b8 |
45172840888 has 48 divisors (see below), whose sum is σ = 98593162200. Its totient is φ = 19346886720.
The previous prime is 45172840877. The next prime is 45172840891. The reversal of 45172840888 is 88804827154.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562518 + ... + 637786.
Almost surely, 245172840888 is an apocalyptic number.
It is an amenable number.
45172840888 is an abundant number, since it is smaller than the sum of its proper divisors (53420321312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45172840888 is a wasteful number, since it uses less digits than its factorization.
45172840888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76820 (or 76809 counting only the distinct ones).
The product of its (nonzero) digits is 4587520, while the sum is 55.
The spelling of 45172840888 in words is "forty-five billion, one hundred seventy-two million, eight hundred forty thousand, eight hundred eighty-eight".
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