Base | Representation |
---|---|
bin | 1000100111010001000010… |
… | …10100100110101101000100 |
3 | 2111001202222021121120012212 |
4 | 10103220201110212231010 |
5 | 4440313403343344100 |
6 | 104141313132202552 |
7 | 3663316451346320 |
oct | 423504124465504 |
9 | 74052867546185 |
10 | 18941364824900 |
11 | 6042a95709251 |
12 | 215ab68909458 |
13 | a7521727211b |
14 | 496aa4718980 |
15 | 22ca95b14635 |
hex | 113a21526b44 |
18941364824900 has 72 divisors (see below), whose sum is σ = 46988625410496. Its totient is φ = 6492241123200.
The previous prime is 18941364824873. The next prime is 18941364824903. The reversal of 18941364824900 is 942846314981.
It is a self number, because there is not a number n which added to its sum of digits gives 18941364824900.
It is not an unprimeable number, because it can be changed into a prime (18941364824903) 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, 1699391 + ... + 6385190.
It is an arithmetic number, because the mean of its divisors is an integer number (652619797368).
Almost surely, 218941364824900 is an apocalyptic number.
18941364824900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18941364824900 is an abundant number, since it is smaller than the sum of its proper divisors (28047260585596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18941364824900 is a wasteful number, since it uses less digits than its factorization.
18941364824900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8087949 (or 8087942 counting only the distinct ones).
The product of its (nonzero) digits is 11943936, while the sum is 59.
The spelling of 18941364824900 in words is "eighteen trillion, nine hundred forty-one billion, three hundred sixty-four million, eight hundred twenty-four thousand, nine hundred".
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