Base | Representation |
---|---|
bin | 10101011011000010… |
… | …110110011001001101 |
3 | 2012101001220102121121 |
4 | 111123002312121031 |
5 | 334102042411341 |
6 | 14322255200541 |
7 | 1443006260632 |
oct | 253302663115 |
9 | 65331812547 |
10 | 23002310221 |
11 | 9834228140 |
12 | 455b516151 |
13 | 22276ba867 |
14 | 1182d30189 |
15 | 8e96194d1 |
hex | 55b0b664d |
23002310221 has 32 divisors (see below), whose sum is σ = 26303270400. Its totient is φ = 19932454080.
The previous prime is 23002310203. The next prime is 23002310239. The reversal of 23002310221 is 12201320032.
It is an interprime number because it is at equal distance from previous prime (23002310203) and next prime (23002310239).
It is not a de Polignac number, because 23002310221 - 221 = 23000213069 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23002310195 and 23002310204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23002310291) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3450990 + ... + 3457648.
It is an arithmetic number, because the mean of its divisors is an integer number (821977200).
Almost surely, 223002310221 is an apocalyptic number.
It is an amenable number.
23002310221 is a deficient number, since it is larger than the sum of its proper divisors (3300960179).
23002310221 is a wasteful number, since it uses less digits than its factorization.
23002310221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6889.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 23002310221 its reverse (12201320032), we get a palindrome (35203630253).
The spelling of 23002310221 in words is "twenty-three billion, two million, three hundred ten thousand, two hundred twenty-one".
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