Base | Representation |
---|---|
bin | 101101010111010100… |
… | …010001100011011111 |
3 | 11122201122122200100000 |
4 | 231113110101203133 |
5 | 1244224122312311 |
6 | 34213223105343 |
7 | 3343032352263 |
oct | 552724214337 |
9 | 148648580300 |
10 | 48709572831 |
11 | 19726314017 |
12 | 95348a2253 |
13 | 479360705a |
14 | 25011c20a3 |
15 | 1401446056 |
hex | b575118df |
48709572831 has 24 divisors (see below), whose sum is σ = 72979872784. Its totient is φ = 32466044160.
The previous prime is 48709572797. The next prime is 48709572869. The reversal of 48709572831 is 13827590784.
It is a happy number.
48709572831 is a `hidden beast` number, since 487 + 0 + 95 + 72 + 8 + 3 + 1 = 666.
It is not a de Polignac number, because 48709572831 - 26 = 48709572767 is a prime.
It is a super-2 number, since 2×487095728312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48709573831) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1264305 + ... + 1302261.
Almost surely, 248709572831 is an apocalyptic number.
48709572831 is a deficient number, since it is larger than the sum of its proper divisors (24270299953).
48709572831 is an equidigital number, since it uses as much as digits as its factorization.
48709572831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43253 (or 43241 counting only the distinct ones).
The product of its (nonzero) digits is 3386880, while the sum is 54.
The spelling of 48709572831 in words is "forty-eight billion, seven hundred nine million, five hundred seventy-two thousand, eight hundred thirty-one".
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