Base | Representation |
---|---|
bin | 10101011100110001… |
… | …000100000101010010 |
3 | 2012110002021021212022 |
4 | 111130301010011102 |
5 | 334131441432010 |
6 | 14325210331442 |
7 | 1443506662616 |
oct | 253461040522 |
9 | 65402237768 |
10 | 23031202130 |
11 | 9849571052 |
12 | 4569129b82 |
13 | 2230695371 |
14 | 1186ad1346 |
15 | 8ebe24d55 |
hex | 55cc44152 |
23031202130 has 32 divisors (see below), whose sum is σ = 41764584960. Its totient is φ = 9144103360.
The previous prime is 23031202123. The next prime is 23031202133. The reversal of 23031202130 is 3120213032.
It is a junction number, because it is equal to n+sod(n) for n = 23031202099 and 23031202108.
It is not an unprimeable number, because it can be changed into a prime (23031202133) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191140 + ... + 1210320.
It is an arithmetic number, because the mean of its divisors is an integer number (1305143280).
Almost surely, 223031202130 is an apocalyptic number.
23031202130 is a deficient number, since it is larger than the sum of its proper divisors (18733382830).
23031202130 is a wasteful number, since it uses less digits than its factorization.
23031202130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20074.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 23031202130 its reverse (3120213032), we get a palindrome (26151415162).
The spelling of 23031202130 in words is "twenty-three billion, thirty-one million, two hundred two thousand, one hundred thirty".
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