Base | Representation |
---|---|
bin | 10100000010010101… |
… | …101101111000101010 |
3 | 2001112100112200212120 |
4 | 110002111231320222 |
5 | 323030101141012 |
6 | 13514453252110 |
7 | 1361065460424 |
oct | 240225557052 |
9 | 61470480776 |
10 | 21514083882 |
11 | 9140159715 |
12 | 4205034036 |
13 | 204b28b565 |
14 | 1081413814 |
15 | 85db4858c |
hex | 50256de2a |
21514083882 has 64 divisors (see below), whose sum is σ = 45801448704. Its totient is φ = 6713753600.
The previous prime is 21514083881. The next prime is 21514083889. The reversal of 21514083882 is 28838041512.
It is not an unprimeable number, because it can be changed into a prime (21514083881) 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, 24254443 + ... + 24255329.
It is an arithmetic number, because the mean of its divisors is an integer number (715647636).
Almost surely, 221514083882 is an apocalyptic number.
21514083882 is an abundant number, since it is smaller than the sum of its proper divisors (24287364822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21514083882 is a wasteful number, since it uses less digits than its factorization.
21514083882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1903.
The product of its (nonzero) digits is 122880, while the sum is 42.
The spelling of 21514083882 in words is "twenty-one billion, five hundred fourteen million, eighty-three thousand, eight hundred eighty-two".
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