Base | Representation |
---|---|
bin | 10101011110001000… |
… | …100111100110011001 |
3 | 2012111200110101002122 |
4 | 111132020213212121 |
5 | 334203330413022 |
6 | 14331350311025 |
7 | 1444206035240 |
oct | 253610474631 |
9 | 65450411078 |
10 | 23054154137 |
11 | 9860518253 |
12 | 4574958475 |
13 | 2235370331 |
14 | 1189b87957 |
15 | 8ede5a742 |
hex | 55e227999 |
23054154137 has 4 divisors (see below), whose sum is σ = 26347604736. Its totient is φ = 19760703540.
The previous prime is 23054154107. The next prime is 23054154169. The reversal of 23054154137 is 73145145032.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 23054154137 - 232 = 18759186841 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23054154097 and 23054154106.
It is not an unprimeable number, because it can be changed into a prime (23054154107) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1646725289 + ... + 1646725302.
It is an arithmetic number, because the mean of its divisors is an integer number (6586901184).
Almost surely, 223054154137 is an apocalyptic number.
It is an amenable number.
23054154137 is a deficient number, since it is larger than the sum of its proper divisors (3293450599).
23054154137 is an equidigital number, since it uses as much as digits as its factorization.
23054154137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3293450598.
The product of its (nonzero) digits is 50400, while the sum is 35.
Adding to 23054154137 its reverse (73145145032), we get a palindrome (96199299169).
The spelling of 23054154137 in words is "twenty-three billion, fifty-four million, one hundred fifty-four thousand, one hundred thirty-seven".
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