Base | Representation |
---|---|
bin | 10010111001111010… |
… | …110110000011100110 |
3 | 1221101200022002202110 |
4 | 102321322312003212 |
5 | 313033031024120 |
6 | 13154131421450 |
7 | 1316013221664 |
oct | 227172660346 |
9 | 57350262673 |
10 | 20299079910 |
11 | 86773351aa |
12 | 3b26154886 |
13 | 1bb66429b5 |
14 | da7cd9c34 |
15 | 7dc1472e0 |
hex | 4b9eb60e6 |
20299079910 has 32 divisors (see below), whose sum is σ = 49906033632. Its totient is φ = 5281061120.
The previous prime is 20299079903. The next prime is 20299080001. The reversal of 20299079910 is 1997099202.
It is a self number, because there is not a number n which added to its sum of digits gives 20299079910.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8250429 + ... + 8252888.
It is an arithmetic number, because the mean of its divisors is an integer number (1559563551).
Almost surely, 220299079910 is an apocalyptic number.
20299079910 is an abundant number, since it is smaller than the sum of its proper divisors (29606953722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20299079910 is a wasteful number, since it uses less digits than its factorization.
20299079910 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16503368.
The product of its (nonzero) digits is 183708, while the sum is 48.
The spelling of 20299079910 in words is "twenty billion, two hundred ninety-nine million, seventy-nine thousand, nine hundred ten".
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