Base | Representation |
---|---|
bin | 10101011011101100… |
… | …011001100001100101 |
3 | 2012101211101210100121 |
4 | 111123230121201211 |
5 | 334112334431041 |
6 | 14323324441541 |
7 | 1443200663305 |
oct | 253354314145 |
9 | 65354353317 |
10 | 23013202021 |
11 | 983a397327 |
12 | 45630a92b1 |
13 | 2229a32304 |
14 | 1184567605 |
15 | 8ea56b7d1 |
hex | 55bb19865 |
23013202021 has 8 divisors (see below), whose sum is σ = 24879138080. Its totient is φ = 21212737488.
The previous prime is 23013202019. The next prime is 23013202033. The reversal of 23013202021 is 12020231032.
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 23013202021 - 21 = 23013202019 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23013201986 and 23013202004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23013202061) 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, 16367151 + ... + 16368556.
It is an arithmetic number, because the mean of its divisors is an integer number (3109892260).
Almost surely, 223013202021 is an apocalyptic number.
It is an amenable number.
23013202021 is a deficient number, since it is larger than the sum of its proper divisors (1865936059).
23013202021 is a wasteful number, since it uses less digits than its factorization.
23013202021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32735763.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 23013202021 its reverse (12020231032), we get a palindrome (35033433053).
The spelling of 23013202021 in words is "twenty-three billion, thirteen million, two hundred two thousand, twenty-one".
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