Base | Representation |
---|---|
bin | 10101100010101011… |
… | …010000001010000101 |
3 | 2012200222211010020010 |
4 | 111202223100022011 |
5 | 334332331421041 |
6 | 14343111300433 |
7 | 1446122443323 |
oct | 254253201205 |
9 | 65628733203 |
10 | 23130342021 |
11 | 989a525346 |
12 | 459637a719 |
13 | 2248097517 |
14 | 1195d3ad13 |
15 | 9059a9a16 |
hex | 562ad0285 |
23130342021 has 8 divisors (see below), whose sum is σ = 30887687520. Its totient is φ = 15396612272.
The previous prime is 23130341959. The next prime is 23130342031. The reversal of 23130342021 is 12024303132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23130342021 - 26 = 23130341957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23130342031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5901651 + ... + 5905568.
It is an arithmetic number, because the mean of its divisors is an integer number (3860960940).
Almost surely, 223130342021 is an apocalyptic number.
It is an amenable number.
23130342021 is a deficient number, since it is larger than the sum of its proper divisors (7757345499).
23130342021 is a wasteful number, since it uses less digits than its factorization.
23130342021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11807875.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 23130342021 its reverse (12024303132), we get a palindrome (35154645153).
The spelling of 23130342021 in words is "twenty-three billion, one hundred thirty million, three hundred forty-two thousand, twenty-one".
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