Base | Representation |
---|---|
bin | 1001111100101001010110… |
… | …11011101000100101011001 |
3 | 2212110020012011022020112120 |
4 | 10332110223123220211121 |
5 | 10331344443224243222 |
6 | 114305122425131453 |
7 | 4415262551312556 |
oct | 476245333504531 |
9 | 85406164266476 |
10 | 21874997102937 |
11 | 6a74152648130 |
12 | 2553630329b89 |
13 | c28a5a029614 |
14 | 558a8118ba2d |
15 | 27e043a8315c |
hex | 13e52b6e8959 |
21874997102937 has 32 divisors (see below), whose sum is σ = 32558899000320. Its totient is φ = 12948954553920.
The previous prime is 21874997102923. The next prime is 21874997102957. The reversal of 21874997102937 is 73920179947812.
It is not a de Polignac number, because 21874997102937 - 24 = 21874997102921 is a prime.
It is not an unprimeable number, because it can be changed into a prime (21874997102957) 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, 69895639 + ... + 70207907.
It is an arithmetic number, because the mean of its divisors is an integer number (1017465593760).
Almost surely, 221874997102937 is an apocalyptic number.
It is an amenable number.
21874997102937 is a deficient number, since it is larger than the sum of its proper divisors (10683901897383).
21874997102937 is a wasteful number, since it uses less digits than its factorization.
21874997102937 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 361693.
The product of its (nonzero) digits is 96018048, while the sum is 69.
The spelling of 21874997102937 in words is "twenty-one trillion, eight hundred seventy-four billion, nine hundred ninety-seven million, one hundred two thousand, nine hundred thirty-seven".
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