Base | Representation |
---|---|
bin | 101101100110111111… |
… | …111110110010001000 |
3 | 11200101222202100012112 |
4 | 231212333332302020 |
5 | 1300244002013040 |
6 | 34255302401452 |
7 | 3352405661360 |
oct | 554677766210 |
9 | 150358670175 |
10 | 48972688520 |
11 | 198508957a8 |
12 | 95a8a30288 |
13 | 4805c8c502 |
14 | 25281139a0 |
15 | 14195bb365 |
hex | b66ffec88 |
48972688520 has 32 divisors (see below), whose sum is σ = 125929771200. Its totient is φ = 16790635968.
The previous prime is 48972688493. The next prime is 48972688529. The reversal of 48972688520 is 2588627984.
It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 48972688520.
It is not an unprimeable number, because it can be changed into a prime (48972688529) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87450950 + ... + 87451509.
It is an arithmetic number, because the mean of its divisors is an integer number (3935305350).
Almost surely, 248972688520 is an apocalyptic number.
48972688520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
48972688520 is an abundant number, since it is smaller than the sum of its proper divisors (76957082680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48972688520 is a wasteful number, since it uses less digits than its factorization.
48972688520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174902477 (or 174902473 counting only the distinct ones).
The product of its (nonzero) digits is 15482880, while the sum is 59.
The spelling of 48972688520 in words is "forty-eight billion, nine hundred seventy-two million, six hundred eighty-eight thousand, five hundred twenty".
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