Base | Representation |
---|---|
bin | 101100010110011101… |
… | …101000111111010010 |
3 | 11112220211021022110100 |
4 | 230112131220333102 |
5 | 1240012101242244 |
6 | 33513234113230 |
7 | 3304051101606 |
oct | 542635507722 |
9 | 145824238410 |
10 | 47621509074 |
11 | 19218111677 |
12 | 929041b816 |
13 | 464c075349 |
14 | 243a8ad506 |
15 | 138ab6bb69 |
hex | b16768fd2 |
47621509074 has 24 divisors (see below), whose sum is σ = 103237680780. Its totient is φ = 15864952608.
The previous prime is 47621509073. The next prime is 47621509099. The reversal of 47621509074 is 47090512674.
47621509074 is a `hidden beast` number, since 4 + 76 + 2 + 1 + 509 + 0 + 74 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 32060693025 + 15560816049 = 179055^2 + 124743^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (47621509073) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 707217 + ... + 771620.
Almost surely, 247621509074 is an apocalyptic number.
47621509074 is an abundant number, since it is smaller than the sum of its proper divisors (55616171706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47621509074 is a wasteful number, since it uses less digits than its factorization.
47621509074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1480634 (or 1480631 counting only the distinct ones).
The product of its (nonzero) digits is 423360, while the sum is 45.
The spelling of 47621509074 in words is "forty-seven billion, six hundred twenty-one million, five hundred nine thousand, seventy-four".
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