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23210313011 = 136993169427
BaseRepresentation
bin10101100111011100…
…010100010100110011
32012220120022001210122
4111213130110110303
5340013320004021
614355045320455
71451113256024
oct254734242463
965816261718
1023210313011
119930686776
1245b910612b
13225b817632
1411a27d6c4b
1590ca04bab
hex567714533

23210313011 has 4 divisors (see below), whose sum is σ = 23210619432. Its totient is φ = 23210006592.

The previous prime is 23210312947. The next prime is 23210313013. The reversal of 23210313011 is 11031301232.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23210313011 - 26 = 23210312947 is a prime.

It is a super-2 number, since 2×232103130112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23210313013) 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, 52280 + ... + 221706.

It is an arithmetic number, because the mean of its divisors is an integer number (5802654858).

Almost surely, 223210313011 is an apocalyptic number.

23210313011 is a deficient number, since it is larger than the sum of its proper divisors (306421).

23210313011 is a wasteful number, since it uses less digits than its factorization.

23210313011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306420.

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

Adding to 23210313011 its reverse (11031301232), we get a palindrome (34241614243).

The spelling of 23210313011 in words is "twenty-three billion, two hundred ten million, three hundred thirteen thousand, eleven".

Divisors: 1 136993 169427 23210313011