Base | Representation |
---|---|
bin | 101100111000010101… |
… | …110000000010111100 |
3 | 11121101102201211211020 |
4 | 230320111300002330 |
5 | 1242143101204142 |
6 | 34045500024140 |
7 | 3324122050440 |
oct | 547025600274 |
9 | 147342654736 |
10 | 48189866172 |
11 | 19489a17788 |
12 | 940a832050 |
13 | 470ca42216 |
14 | 249217a820 |
15 | 13c09d8cec |
hex | b385700bc |
48189866172 has 96 divisors (see below), whose sum is σ = 133132554240. Its totient is φ = 13276085760.
The previous prime is 48189866171. The next prime is 48189866173. The reversal of 48189866172 is 27166898184.
It is an interprime number because it is at equal distance from previous prime (48189866171) and next prime (48189866173).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48189866171) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 687904 + ... + 754712.
It is an arithmetic number, because the mean of its divisors is an integer number (1386797440).
Almost surely, 248189866172 is an apocalyptic number.
48189866172 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 48189866172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66566277120).
48189866172 is an abundant number, since it is smaller than the sum of its proper divisors (84942688068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48189866172 is a wasteful number, since it uses less digits than its factorization.
48189866172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67131 (or 67129 counting only the distinct ones).
The product of its digits is 9289728, while the sum is 60.
The spelling of 48189866172 in words is "forty-eight billion, one hundred eighty-nine million, eight hundred sixty-six thousand, one hundred seventy-two".
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