Base | Representation |
---|---|
bin | 10010101000111000… |
… | …000100111110000100 |
3 | 1220122202020221112111 |
4 | 102220320010332010 |
5 | 311441331020032 |
6 | 13105515030404 |
7 | 1305641620312 |
oct | 225070047604 |
9 | 56582227474 |
10 | 20013141892 |
11 | 853a995797 |
12 | 3a6643b404 |
13 | 1b6c3295c3 |
14 | d7bd470b2 |
15 | 7c1eb4c47 |
hex | 4a8e04f84 |
20013141892 has 48 divisors (see below), whose sum is σ = 37470351744. Its totient is φ = 9329760000.
The previous prime is 20013141877. The next prime is 20013141923. The reversal of 20013141892 is 29814131002.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7018267 + ... + 7021117.
It is an arithmetic number, because the mean of its divisors is an integer number (780632328).
Almost surely, 220013141892 is an apocalyptic number.
It is an amenable number.
20013141892 is a deficient number, since it is larger than the sum of its proper divisors (17457209852).
20013141892 is a wasteful number, since it uses less digits than its factorization.
20013141892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4780 (or 4778 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 31.
Adding to 20013141892 its reverse (29814131002), we get a palindrome (49827272894).
The spelling of 20013141892 in words is "twenty billion, thirteen million, one hundred forty-one thousand, eight hundred ninety-two".
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