Base | Representation |
---|---|
bin | 10101100010101010… |
… | …101101101110111101 |
3 | 2012200222112221210220 |
4 | 111202222231232331 |
5 | 334332312413041 |
6 | 14343104251553 |
7 | 1446121315254 |
oct | 254252555675 |
9 | 65628487726 |
10 | 23130201021 |
11 | 989a439414 |
12 | 4596310bb9 |
13 | 22480482a5 |
14 | 1195d0179b |
15 | 90597cd66 |
hex | 562aadbbd |
23130201021 has 8 divisors (see below), whose sum is σ = 31128495264. Its totient is φ = 15276020400.
The previous prime is 23130201007. The next prime is 23130201023. The reversal of 23130201021 is 12010203132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23130201021 - 26 = 23130200957 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23130201023) 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, 36028030 + ... + 36028671.
It is an arithmetic number, because the mean of its divisors is an integer number (3891061908).
Almost surely, 223130201021 is an apocalyptic number.
It is an amenable number.
23130201021 is a deficient number, since it is larger than the sum of its proper divisors (7998294243).
23130201021 is a wasteful number, since it uses less digits than its factorization.
23130201021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72056811.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 23130201021 its reverse (12010203132), we get a palindrome (35140404153).
The spelling of 23130201021 in words is "twenty-three billion, one hundred thirty million, two hundred one thousand, twenty-one".
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