Base | Representation |
---|---|
bin | 10010101110010100… |
… | …001111011110100100 |
3 | 1220220002222220021110 |
4 | 102232110033132210 |
5 | 312133212123134 |
6 | 13122535145020 |
7 | 1311130450164 |
oct | 225624173644 |
9 | 56802886243 |
10 | 20104411044 |
11 | 8587463643 |
12 | 3a90b15170 |
13 | 1b85204113 |
14 | d8a1045a4 |
15 | 7c9ee27e9 |
hex | 4ae50f7a4 |
20104411044 has 48 divisors (see below), whose sum is σ = 49407418368. Its totient is φ = 6350185248.
The previous prime is 20104411039. The next prime is 20104411073. The reversal of 20104411044 is 44011440102.
It is a super-2 number, since 2×201044110442 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 20104411044.
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, 310852 + ... + 369915.
It is an arithmetic number, because the mean of its divisors is an integer number (1029321216).
Almost surely, 220104411044 is an apocalyptic number.
It is an amenable number.
20104411044 is an abundant number, since it is smaller than the sum of its proper divisors (29303007324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20104411044 is a wasteful number, since it uses less digits than its factorization.
20104411044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 680904 (or 680902 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 20104411044 its reverse (44011440102), we get a palindrome (64115851146).
The spelling of 20104411044 in words is "twenty billion, one hundred four million, four hundred eleven thousand, forty-four".
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