Base | Representation |
---|---|
bin | 10101011011100001… |
… | …010101100001000101 |
3 | 2012101121221110022012 |
4 | 111123201111201011 |
5 | 334111114131041 |
6 | 14323142344005 |
7 | 1443134224430 |
oct | 253341254105 |
9 | 65347843265 |
10 | 23010302021 |
11 | 9838796533 |
12 | 456212b005 |
13 | 2229258335 |
14 | 1184010817 |
15 | 8ea1973eb |
hex | 55b855845 |
23010302021 has 16 divisors (see below), whose sum is σ = 26750455680. Its totient is φ = 19383572160.
The previous prime is 23010301969. The next prime is 23010302027. The reversal of 23010302021 is 12020301032.
It is a happy number.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23010302021 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23010301987 and 23010302005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23010302027) 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, 2647535 + ... + 2656211.
It is an arithmetic number, because the mean of its divisors is an integer number (1671903480).
Almost surely, 223010302021 is an apocalyptic number.
It is an amenable number.
23010302021 is a deficient number, since it is larger than the sum of its proper divisors (3740153659).
23010302021 is an equidigital number, since it uses as much as digits as its factorization.
23010302021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15164.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 23010302021 its reverse (12020301032), we get a palindrome (35030603053).
The spelling of 23010302021 in words is "twenty-three billion, ten million, three hundred two thousand, twenty-one".
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