Base | Representation |
---|---|
bin | 10011111001001101… |
… | …100010111011110100 |
3 | 2001010200101112110200 |
4 | 103321031202323310 |
5 | 322221400300212 |
6 | 13451343120500 |
7 | 1354226024133 |
oct | 237115427364 |
9 | 61120345420 |
10 | 21360946932 |
11 | 9071774656 |
12 | 41818a3130 |
13 | 2025631890 |
14 | 1068d4d91a |
15 | 8504996dc |
hex | 4f9362ef4 |
21360946932 has 72 divisors (see below), whose sum is σ = 59134901280. Its totient is φ = 6461190720.
The previous prime is 21360946927. The next prime is 21360946939. The reversal of 21360946932 is 23964906312.
21360946932 is a `hidden beast` number, since 2 + 1 + 3 + 609 + 4 + 6 + 9 + 32 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21360946939) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359194 + ... + 414417.
Almost surely, 221360946932 is an apocalyptic number.
It is an amenable number.
21360946932 is an abundant number, since it is smaller than the sum of its proper divisors (37773954348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21360946932 is a wasteful number, since it uses less digits than its factorization.
21360946932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 773693 (or 773688 counting only the distinct ones).
The product of its (nonzero) digits is 419904, while the sum is 45.
The spelling of 21360946932 in words is "twenty-one billion, three hundred sixty million, nine hundred forty-six thousand, nine hundred thirty-two".
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