Base | Representation |
---|---|
bin | 1001111100111001110111… |
… | …11011100011010100110000 |
3 | 2212111002002002122011020100 |
4 | 10332130323323203110300 |
5 | 10332021123120340143 |
6 | 114313150330112400 |
7 | 4416025355323230 |
oct | 476347373432460 |
9 | 85432062564210 |
10 | 21883863840048 |
11 | 6a77992698a41 |
12 | 25552a587b700 |
13 | c29840cbac22 |
14 | 5592829d3cc0 |
15 | 27e3b21d96d3 |
hex | 13e73bee3530 |
21883863840048 has 120 divisors (see below), whose sum is σ = 70089119623328. Its totient is φ = 6244002256896.
The previous prime is 21883863840001. The next prime is 21883863840151. The reversal of 21883863840048 is 84004836838812.
21883863840048 is a `hidden beast` number, since 2 + 1 + 8 + 83 + 86 + 38 + 400 + 48 = 666.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14070265 + ... + 15547992.
Almost surely, 221883863840048 is an apocalyptic number.
21883863840048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
21883863840048 is an abundant number, since it is smaller than the sum of its proper divisors (48205255783280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21883863840048 is a wasteful number, since it uses less digits than its factorization.
21883863840048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29619011 (or 29619002 counting only the distinct ones).
The product of its (nonzero) digits is 56623104, while the sum is 63.
It can be divided in two parts, 21883863 and 840048, that added together give a triangular number (22723911 = T6741).
The spelling of 21883863840048 in words is "twenty-one trillion, eight hundred eighty-three billion, eight hundred sixty-three million, eight hundred forty thousand, forty-eight".
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