Base | Representation |
---|---|
bin | 100010111101011001… |
… | …1000011001001100110 |
3 | 21011210002012012100210 |
4 | 1011322303003021212 |
5 | 2212223102143010 |
6 | 54253330120250 |
7 | 5265263652534 |
oct | 1057263031146 |
9 | 234702165323 |
10 | 75074646630 |
11 | 29925754205 |
12 | 12672420086 |
13 | 71058b0a39 |
14 | 38c2989154 |
15 | 1e45daeb20 |
hex | 117acc3266 |
75074646630 has 32 divisors (see below), whose sum is σ = 180369483264. Its totient is φ = 19998757856.
The previous prime is 75074646617. The next prime is 75074646637. The reversal of 75074646630 is 3664647057.
It is a self number, because there is not a number n which added to its sum of digits gives 75074646630.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75074646637) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292862 + ... + 1349681.
It is an arithmetic number, because the mean of its divisors is an integer number (5636546352).
Almost surely, 275074646630 is an apocalyptic number.
75074646630 is an abundant number, since it is smaller than the sum of its proper divisors (105294836634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75074646630 is a wasteful number, since it uses less digits than its factorization.
75074646630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2643500.
The product of its (nonzero) digits is 2540160, while the sum is 48.
The spelling of 75074646630 in words is "seventy-five billion, seventy-four million, six hundred forty-six thousand, six hundred thirty".
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