Base | Representation |
---|---|
bin | 10101101011000101… |
… | …011010010110001111 |
3 | 2020001211021111000220 |
4 | 111223011122112033 |
5 | 340124440322411 |
6 | 14405111122423 |
7 | 1452454532316 |
oct | 255305322617 |
9 | 66054244026 |
10 | 23271417231 |
11 | 9962121227 |
12 | 4615673413 |
13 | 226b39008a |
14 | 11aa98127d |
15 | 913074b06 |
hex | 56b15a58f |
23271417231 has 4 divisors (see below), whose sum is σ = 31028556312. Its totient is φ = 15514278152.
The previous prime is 23271417209. The next prime is 23271417277. The reversal of 23271417231 is 13271417232.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23271417231 - 25 = 23271417199 is a prime.
It is a super-2 number, since 2×232714172312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23271417192 and 23271417201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23271417331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3878569536 + ... + 3878569541.
It is an arithmetic number, because the mean of its divisors is an integer number (7757139078).
Almost surely, 223271417231 is an apocalyptic number.
23271417231 is a deficient number, since it is larger than the sum of its proper divisors (7757139081).
23271417231 is an equidigital number, since it uses as much as digits as its factorization.
23271417231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7757139080.
The product of its digits is 14112, while the sum is 33.
Subtracting from 23271417231 its reverse (13271417232), we obtain a palindrome (9999999999).
The spelling of 23271417231 in words is "twenty-three billion, two hundred seventy-one million, four hundred seventeen thousand, two hundred thirty-one".
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