Base | Representation |
---|---|
bin | 10101111011011001… |
… | …010000010101000011 |
3 | 2020202220011200211201 |
4 | 111323121100111003 |
5 | 341210013221111 |
6 | 14452204122031 |
7 | 1462316442565 |
oct | 257331202503 |
9 | 66686150751 |
10 | 23545054531 |
11 | 9a92629a59 |
12 | 4691236317 |
13 | 22b2c8a63b |
14 | 11d5051335 |
15 | 92c0c76c1 |
hex | 57b650543 |
23545054531 has 8 divisors (see below), whose sum is σ = 23607527328. Its totient is φ = 23482632000.
The previous prime is 23545054457. The next prime is 23545054549. The reversal of 23545054531 is 13545054532.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23545054531 - 29 = 23545054019 is a prime.
It is a super-2 number, since 2×235450545312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23545054591) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040346 + ... + 1062736.
It is an arithmetic number, because the mean of its divisors is an integer number (2950940916).
Almost surely, 223545054531 is an apocalyptic number.
23545054531 is a deficient number, since it is larger than the sum of its proper divisors (62472797).
23545054531 is a wasteful number, since it uses less digits than its factorization.
23545054531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25133.
The product of its (nonzero) digits is 180000, while the sum is 37.
Subtracting from 23545054531 its reverse (13545054532), we obtain a palindrome (9999999999).
The spelling of 23545054531 in words is "twenty-three billion, five hundred forty-five million, fifty-four thousand, five hundred thirty-one".
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