Base | Representation |
---|---|
bin | 10101100111000000… |
… | …011101011001001001 |
3 | 2012220001120001010020 |
4 | 111213000131121021 |
5 | 340004432310441 |
6 | 14354225011053 |
7 | 1450664221554 |
oct | 254700353111 |
9 | 65801501106 |
10 | 23203010121 |
11 | 9927548a25 |
12 | 45b6783a89 |
13 | 225a15b5b5 |
14 | 11a185569b |
15 | 90c060e66 |
hex | 56701d649 |
23203010121 has 16 divisors (see below), whose sum is σ = 33981527040. Its totient is φ = 14017378320.
The previous prime is 23203010093. The next prime is 23203010143. The reversal of 23203010121 is 12101030232.
It is not a de Polignac number, because 23203010121 - 225 = 23169455689 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23203010121.
It is not an unprimeable number, because it can be changed into a prime (23203010191) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8848045 + ... + 8850666.
It is an arithmetic number, because the mean of its divisors is an integer number (2123845440).
Almost surely, 223203010121 is an apocalyptic number.
It is an amenable number.
23203010121 is a deficient number, since it is larger than the sum of its proper divisors (10778516919).
23203010121 is a wasteful number, since it uses less digits than its factorization.
23203010121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17698756.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 23203010121 its reverse (12101030232), we get a palindrome (35304040353).
The spelling of 23203010121 in words is "twenty-three billion, two hundred three million, ten thousand, one hundred twenty-one".
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