Base | Representation |
---|---|
bin | 100010111111100000… |
… | …1100111011111101100 |
3 | 21011222000122200221111 |
4 | 1011333001213133230 |
5 | 2212344231340010 |
6 | 54304342241404 |
7 | 5300114562142 |
oct | 1057701473754 |
9 | 234860580844 |
10 | 75145574380 |
11 | 29961799288 |
12 | 12692126264 |
13 | 71174b5916 |
14 | 38cc16d592 |
15 | 1e4c22058a |
hex | 117f0677ec |
75145574380 has 12 divisors (see below), whose sum is σ = 157805706240. Its totient is φ = 30058229744.
The previous prime is 75145574363. The next prime is 75145574429. The reversal of 75145574380 is 8347554157.
It is a super-2 number, since 2×751455743802 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1878639340 + ... + 1878639379.
It is an arithmetic number, because the mean of its divisors is an integer number (13150475520).
Almost surely, 275145574380 is an apocalyptic number.
It is an amenable number.
75145574380 is an abundant number, since it is smaller than the sum of its proper divisors (82660131860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75145574380 is a wasteful number, since it uses less digits than its factorization.
75145574380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3757278728 (or 3757278726 counting only the distinct ones).
The product of its (nonzero) digits is 2352000, while the sum is 49.
The spelling of 75145574380 in words is "seventy-five billion, one hundred forty-five million, five hundred seventy-four thousand, three hundred eighty".
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