Base | Representation |
---|---|
bin | 10010110011000111… |
… | …101011000011110110 |
3 | 1221002201122100121012 |
4 | 102303013223003312 |
5 | 312314330032410 |
6 | 13134534352222 |
7 | 1313126455001 |
oct | 226307530366 |
9 | 57081570535 |
10 | 20185002230 |
11 | 86189a8a28 |
12 | 3ab3abb672 |
13 | 1b98b10603 |
14 | d96ac2538 |
15 | 7d2111605 |
hex | 4b31eb0f6 |
20185002230 has 16 divisors (see below), whose sum is σ = 36875288880. Its totient is φ = 7953493152.
The previous prime is 20185002223. The next prime is 20185002287. The reversal of 20185002230 is 3220058102.
It is a junction number, because it is equal to n+sod(n) for n = 20185002196 and 20185002205.
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 7 ways as a sum of consecutive naturals, for example, 15062765 + ... + 15064104.
It is an arithmetic number, because the mean of its divisors is an integer number (2304705555).
Almost surely, 220185002230 is an apocalyptic number.
20185002230 is a deficient number, since it is larger than the sum of its proper divisors (16690286650).
20185002230 is a wasteful number, since it uses less digits than its factorization.
20185002230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30126943.
The product of its (nonzero) digits is 960, while the sum is 23.
The spelling of 20185002230 in words is "twenty billion, one hundred eighty-five million, two thousand, two hundred thirty".
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