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23200013431 = 73314287633
BaseRepresentation
bin10101100110110101…
…000001110001110111
32012212211220210102201
4111212311001301313
5340003200412211
614354040445331
71450626601060
oct254665016167
965784823381
1023200013431
119925891521
1245b5779847
13225964c5ca
1411a12b5567
1590bb6d0c1
hex566d41c77

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".

Divisors: 1 7 3314287633 23200013431