Base | Representation |
---|---|
bin | 1001101111101100110010… |
… | …11111111011101011000010 |
3 | 2210212201000012020000110110 |
4 | 10313312121133323223002 |
5 | 10302102440240442144 |
6 | 113324514411012150 |
7 | 4341164343012510 |
oct | 467663137735302 |
9 | 83781005200413 |
10 | 21430167124674 |
11 | 6912534727620 |
12 | 24a138773a056 |
13 | bc5b18a99329 |
14 | 5413231774b0 |
15 | 2726ab6330b9 |
hex | 137d997fbac2 |
21430167124674 has 64 divisors (see below), whose sum is σ = 53437847887872. Its totient is φ = 5566111862400.
The previous prime is 21430167124643. The next prime is 21430167124679. The reversal of 21430167124674 is 47642176103412.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (21430167124679) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15284559 + ... + 16627629.
It is an arithmetic number, because the mean of its divisors is an integer number (834966373248).
Almost surely, 221430167124674 is an apocalyptic number.
21430167124674 is an abundant number, since it is smaller than the sum of its proper divisors (32007680763198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21430167124674 is a wasteful number, since it uses less digits than its factorization.
21430167124674 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1377631.
The product of its (nonzero) digits is 1354752, while the sum is 48.
The spelling of 21430167124674 in words is "twenty-one trillion, four hundred thirty billion, one hundred sixty-seven million, one hundred twenty-four thousand, six hundred seventy-four".
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