Base | Representation |
---|---|
bin | 10101100010101010… |
… | …101101100000111001 |
3 | 2012200222112220120120 |
4 | 111202222231200321 |
5 | 334332312400441 |
6 | 14343104243453 |
7 | 1446121312530 |
oct | 254252554071 |
9 | 65628486516 |
10 | 23130200121 |
11 | 989a438776 |
12 | 4596310589 |
13 | 2248047a62 |
14 | 1195d01317 |
15 | 90597c966 |
hex | 562aad839 |
23130200121 has 16 divisors (see below), whose sum is σ = 35642044800. Its totient is φ = 13068747648.
The previous prime is 23130200113. The next prime is 23130200173. The reversal of 23130200121 is 12100203132.
It is not a de Polignac number, because 23130200121 - 23 = 23130200113 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23130200121.
It is not an unprimeable number, because it can be changed into a prime (23130200101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6185986 + ... + 6189723.
It is an arithmetic number, because the mean of its divisors is an integer number (2227627800).
Almost surely, 223130200121 is an apocalyptic number.
23130200121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
23130200121 is a deficient number, since it is larger than the sum of its proper divisors (12511844679).
23130200121 is a wasteful number, since it uses less digits than its factorization.
23130200121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12375808.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 23130200121 its reverse (12100203132), we get a palindrome (35230403253).
The spelling of 23130200121 in words is "twenty-three billion, one hundred thirty million, two hundred thousand, one hundred twenty-one".
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