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23200013013 = 37733337671
BaseRepresentation
bin10101100110110101…
…000001101011010101
32012212211220202212020
4111212311001223111
5340003200404023
614354040443353
71450626566622
oct254665015325
965784822766
1023200013013
119925891181
1245b5779559
13225964c368
1411a12b5349
1590bb6cde3
hex566d41ad5

23200013013 has 4 divisors (see below), whose sum is σ = 30933350688. Its totient is φ = 15466675340.

The previous prime is 23200013009. The next prime is 23200013047. The reversal of 23200013013 is 31031000232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23200013013 - 22 = 23200013009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23200012983 and 23200013001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200013003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3866668833 + ... + 3866668838.

It is an arithmetic number, because the mean of its divisors is an integer number (7733337672).

Almost surely, 223200013013 is an apocalyptic number.

It is an amenable number.

23200013013 is a deficient number, since it is larger than the sum of its proper divisors (7733337675).

23200013013 is an equidigital number, since it uses as much as digits as its factorization.

23200013013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7733337674.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23200013013 its reverse (31031000232), we get a palindrome (54231013245).

The spelling of 23200013013 in words is "twenty-three billion, two hundred million, thirteen thousand, thirteen".

Divisors: 1 3 7733337671 23200013013