Base | Representation |
---|---|
bin | 10101100110110101… |
… | …000001110001110111 |
3 | 2012212211220210102201 |
4 | 111212311001301313 |
5 | 340003200412211 |
6 | 14354040445331 |
7 | 1450626601060 |
oct | 254665016167 |
9 | 65784823381 |
10 | 23200013431 |
11 | 9925891521 |
12 | 45b5779847 |
13 | 225964c5ca |
14 | 11a12b5567 |
15 | 90bb6d0c1 |
hex | 566d41c77 |
23200013431 has 4 divisors (see below), whose sum is σ = 26514301072. Its totient is φ = 19885725792.
The previous prime is 23200013413. The next prime is 23200013443. The reversal of 23200013431 is 13431000232.
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 23200013431 - 213 = 23200005239 is a prime.
It is a super-2 number, since 2×232000134312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23200013399 and 23200013408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23200013491) 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, 1657143810 + ... + 1657143823.
It is an arithmetic number, because the mean of its divisors is an integer number (6628575268).
Almost surely, 223200013431 is an apocalyptic number.
23200013431 is a deficient number, since it is larger than the sum of its proper divisors (3314287641).
23200013431 is an equidigital number, since it uses as much as digits as its factorization.
23200013431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3314287640.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 23200013431 its reverse (13431000232), we get a palindrome (36631013663).
The spelling of 23200013431 in words is "twenty-three billion, two hundred million, thirteen thousand, four hundred thirty-one".
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