Base | Representation |
---|---|
bin | 100010101001001110… |
… | …1110001100100000010 |
3 | 21010000220221000112012 |
4 | 1011102131301210002 |
5 | 2204331340342210 |
6 | 54102234532522 |
7 | 5242436255330 |
oct | 1052235614402 |
9 | 233026830465 |
10 | 74397980930 |
11 | 296087a2259 |
12 | 12503897142 |
13 | 7028651630 |
14 | 385ab66b50 |
15 | 1e0679b305 |
hex | 1152771902 |
74397980930 has 128 divisors (see below), whose sum is σ = 167762327040. Its totient is φ = 23128934400.
The previous prime is 74397980927. The next prime is 74397980981. The reversal of 74397980930 is 3908979347.
It is a self number, because there is not a number n which added to its sum of digits gives 74397980930.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12712505 + ... + 12718355.
It is an arithmetic number, because the mean of its divisors is an integer number (1310643180).
Almost surely, 274397980930 is an apocalyptic number.
74397980930 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
74397980930 is an abundant number, since it is smaller than the sum of its proper divisors (93364346110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74397980930 is a wasteful number, since it uses less digits than its factorization.
74397980930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6124.
The product of its (nonzero) digits is 10287648, while the sum is 59.
The spelling of 74397980930 in words is "seventy-four billion, three hundred ninety-seven million, nine hundred eighty thousand, nine hundred thirty".
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