Base | Representation |
---|---|
bin | 100010101110001011… |
… | …1100011101001111100 |
3 | 21010110111112220221211 |
4 | 1011130113203221330 |
5 | 2210201403421020 |
6 | 54130531534204 |
7 | 5246524406314 |
oct | 1053427435174 |
9 | 233414486854 |
10 | 74564123260 |
11 | 2969355a470 |
12 | 1254b45a364 |
13 | 7053bb2ac3 |
14 | 3874c54444 |
15 | 1e1616885a |
hex | 115c5e3a7c |
74564123260 has 48 divisors (see below), whose sum is σ = 179810144640. Its totient is φ = 25687160640.
The previous prime is 74564123251. The next prime is 74564123261. The reversal of 74564123260 is 6232146547.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74564123261) 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, 8914974 + ... + 8923333.
It is an arithmetic number, because the mean of its divisors is an integer number (3746044680).
Almost surely, 274564123260 is an apocalyptic number.
It is an amenable number.
74564123260 is an abundant number, since it is smaller than the sum of its proper divisors (105246021380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74564123260 is a wasteful number, since it uses less digits than its factorization.
74564123260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17838346 (or 17838344 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 40.
The spelling of 74564123260 in words is "seventy-four billion, five hundred sixty-four million, one hundred twenty-three thousand, two hundred sixty".
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