Base | Representation |
---|---|
bin | 100010111100101110… |
… | …1010100001100010000 |
3 | 21011201111220101000212 |
4 | 1011321131110030100 |
5 | 2212201324001143 |
6 | 54251204303252 |
7 | 5264601636140 |
oct | 1057135241420 |
9 | 234644811025 |
10 | 75052172048 |
11 | 29913aa3777 |
12 | 126669a1b28 |
13 | 7101042179 |
14 | 38bd9b8920 |
15 | 1e43e20918 |
hex | 1179754310 |
75052172048 has 120 divisors (see below), whose sum is σ = 173560558080. Its totient is φ = 30766602240.
The previous prime is 75052171979. The next prime is 75052172077. The reversal of 75052172048 is 84027125057.
It is a junction number, because it is equal to n+sod(n) for n = 75052171996 and 75052172014.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27500348 + ... + 27503076.
It is an arithmetic number, because the mean of its divisors is an integer number (1446337984).
Almost surely, 275052172048 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 75052172048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86780279040).
75052172048 is an abundant number, since it is smaller than the sum of its proper divisors (98508386032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75052172048 is a wasteful number, since it uses less digits than its factorization.
75052172048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2953 (or 2858 counting only the distinct ones).
The product of its (nonzero) digits is 156800, while the sum is 41.
The spelling of 75052172048 in words is "seventy-five billion, fifty-two million, one hundred seventy-two thousand, forty-eight".
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