Base | Representation |
---|---|
bin | 10011000000100000… |
… | …100010011001000010 |
3 | 1221200101022022220211 |
4 | 103000200202121002 |
5 | 313244330433010 |
6 | 13213121024334 |
7 | 1321524641230 |
oct | 230040423102 |
9 | 57611268824 |
10 | 20409624130 |
11 | 8723778765 |
12 | 3b571850aa |
13 | 1c0350898c |
14 | db8873950 |
15 | 7e6bd108a |
hex | 4c0822642 |
20409624130 has 16 divisors (see below), whose sum is σ = 41985512640. Its totient is φ = 6997585392.
The previous prime is 20409624127. The next prime is 20409624203. The reversal of 20409624130 is 3142690402.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20409624092 and 20409624101.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145782960 + ... + 145783099.
It is an arithmetic number, because the mean of its divisors is an integer number (2624094540).
Almost surely, 220409624130 is an apocalyptic number.
20409624130 is an abundant number, since it is smaller than the sum of its proper divisors (21575888510).
20409624130 is a wasteful number, since it uses less digits than its factorization.
20409624130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 291566073.
The product of its (nonzero) digits is 10368, while the sum is 31.
The spelling of 20409624130 in words is "twenty billion, four hundred nine million, six hundred twenty-four thousand, one hundred thirty".
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