Base | Representation |
---|---|
bin | 10110010011010000… |
… | …111011100010101111 |
3 | 2021210210201201121222 |
4 | 112103100323202233 |
5 | 343020023303143 |
6 | 15000031413555 |
7 | 1505251415321 |
oct | 262320734257 |
9 | 67723651558 |
10 | 23945525423 |
11 | a178696736 |
12 | 47833842bb |
13 | 2347c35371 |
14 | 12322d9611 |
15 | 952330768 |
hex | 59343b8af |
23945525423 has 16 divisors (see below), whose sum is σ = 26493143040. Its totient is φ = 21527189376.
The previous prime is 23945525419. The next prime is 23945525441. The reversal of 23945525423 is 32452554932.
It is a cyclic number.
It is not a de Polignac number, because 23945525423 - 22 = 23945525419 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23945525473) 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 15 ways as a sum of consecutive naturals, for example, 242138 + ... + 326376.
It is an arithmetic number, because the mean of its divisors is an integer number (1655821440).
Almost surely, 223945525423 is an apocalyptic number.
23945525423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
23945525423 is a deficient number, since it is larger than the sum of its proper divisors (2547617617).
23945525423 is a wasteful number, since it uses less digits than its factorization.
23945525423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85006.
The product of its digits is 1296000, while the sum is 44.
The spelling of 23945525423 in words is "twenty-three billion, nine hundred forty-five million, five hundred twenty-five thousand, four hundred twenty-three".
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