Base | Representation |
---|---|
bin | 10011001000010110… |
… | …011110100000011110 |
3 | 1222000112220022021020 |
4 | 103020112132200132 |
5 | 314032022021020 |
6 | 13234141145010 |
7 | 1325013233421 |
oct | 231026364036 |
9 | 58015808236 |
10 | 20541204510 |
11 | 8790a79a82 |
12 | 3b9325b166 |
13 | 1c248588a8 |
14 | dcc1259b8 |
15 | 803522c40 |
hex | 4c859e81e |
20541204510 has 64 divisors (see below), whose sum is σ = 49855523328. Its totient is φ = 5415974784.
The previous prime is 20541204491. The next prime is 20541204511. The reversal of 20541204510 is 1540214502.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20541204511) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2105604 + ... + 2115336.
It is an arithmetic number, because the mean of its divisors is an integer number (778992552).
Almost surely, 220541204510 is an apocalyptic number.
20541204510 is an abundant number, since it is smaller than the sum of its proper divisors (29314318818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20541204510 is a wasteful number, since it uses less digits than its factorization.
20541204510 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10529.
The product of its (nonzero) digits is 1600, while the sum is 24.
The spelling of 20541204510 in words is "twenty billion, five hundred forty-one million, two hundred four thousand, five hundred ten".
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