Base | Representation |
---|---|
bin | 10101110101111111… |
… | …101000010101010111 |
3 | 2020112120200120012112 |
4 | 111311333220111113 |
5 | 341013314413111 |
6 | 14435210141235 |
7 | 1460136354464 |
oct | 256577502527 |
9 | 66476616175 |
10 | 23454451031 |
11 | 9a46476230 |
12 | 4666a2181b |
13 | 229a286abb |
14 | 11c6dc866b |
15 | 92417be8b |
hex | 575fe8557 |
23454451031 has 8 divisors (see below), whose sum is σ = 26131071744. Its totient is φ = 20868563320.
The previous prime is 23454451003. The next prime is 23454451057. The reversal of 23454451031 is 13015445432.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23454451031 - 26 = 23454450967 is a prime.
It is a super-2 number, since 2×234544510312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23454453031) 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, 22682705 + ... + 22683738.
It is an arithmetic number, because the mean of its divisors is an integer number (3266383968).
Almost surely, 223454451031 is an apocalyptic number.
23454451031 is a deficient number, since it is larger than the sum of its proper divisors (2676620713).
23454451031 is a wasteful number, since it uses less digits than its factorization.
23454451031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45366501.
The product of its (nonzero) digits is 28800, while the sum is 32.
Adding to 23454451031 its reverse (13015445432), we get a palindrome (36469896463).
The spelling of 23454451031 in words is "twenty-three billion, four hundred fifty-four million, four hundred fifty-one thousand, thirty-one".
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