Base | Representation |
---|---|
bin | 10011111111010011… |
… | …110110101110000010 |
3 | 2001101210220210021112 |
4 | 103333103312232002 |
5 | 322424043423010 |
6 | 13505440123322 |
7 | 1356610510040 |
oct | 237723665602 |
9 | 61353823245 |
10 | 21463264130 |
11 | 91144a9020 |
12 | 41b0006542 |
13 | 20408a6cb9 |
14 | 1078785390 |
15 | 85945aa05 |
hex | 4ff4f6b82 |
21463264130 has 64 divisors (see below), whose sum is σ = 48274963200. Its totient is φ = 6674841600.
The previous prime is 21463264093. The next prime is 21463264169. The reversal of 21463264130 is 3146236412.
It is a super-2 number, since 2×214632641302 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314690 + ... + 376770.
It is an arithmetic number, because the mean of its divisors is an integer number (754296300).
Almost surely, 221463264130 is an apocalyptic number.
21463264130 is an abundant number, since it is smaller than the sum of its proper divisors (26811699070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21463264130 is a wasteful number, since it uses less digits than its factorization.
21463264130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62555.
The product of its (nonzero) digits is 20736, while the sum is 32.
The spelling of 21463264130 in words is "twenty-one billion, four hundred sixty-three million, two hundred sixty-four thousand, one hundred thirty".
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