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23213001113 = 97381238373
BaseRepresentation
bin10101100111100110…
…100100100110011001
32012220202100122011222
4111213212210212121
5340020012013423
614355223101425
71451145153041
oct254746444631
965822318158
1023213001113
119932152345
1245b9ba1875
13225c249023
1411a2cd6721
1590cd863c8
hex5679a4999

23213001113 has 4 divisors (see below), whose sum is σ = 23213336868. Its totient is φ = 23212665360.

The previous prime is 23213001089. The next prime is 23213001139. The reversal of 23213001113 is 31110031232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8223406489 + 14989594624 = 90683^2 + 122432^2 .

It is a cyclic number.

It is not a de Polignac number, because 23213001113 - 28 = 23213000857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23213001091 and 23213001100.

It is not an unprimeable number, because it can be changed into a prime (23213001173) 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, 21806 + ... + 216567.

It is an arithmetic number, because the mean of its divisors is an integer number (5803334217).

Almost surely, 223213001113 is an apocalyptic number.

It is an amenable number.

23213001113 is a deficient number, since it is larger than the sum of its proper divisors (335755).

23213001113 is an equidigital number, since it uses as much as digits as its factorization.

23213001113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335754.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23213001113 its reverse (31110031232), we get a palindrome (54323032345).

The spelling of 23213001113 in words is "twenty-three billion, two hundred thirteen million, one thousand, one hundred thirteen".

Divisors: 1 97381 238373 23213001113