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23110140227 = 143871606321
BaseRepresentation
bin10101100001011110…
…001100000101000011
32012122120210202120112
4111201132030011003
5334312143441402
614341110301535
71445455644056
oct254136140503
965576722515
1023110140227
11988a087449
12458b6578ab
132243b432b5
14119339ca9d
15903d18e52
hex56178c143

23110140227 has 4 divisors (see below), whose sum is σ = 23111760936. Its totient is φ = 23108519520.

The previous prime is 23110140181. The next prime is 23110140239. The reversal of 23110140227 is 72204101132.

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 23110140227 - 212 = 23110136131 is a prime.

It is a super-2 number, since 2×231101402272 (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 (23110140257) 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, 788774 + ... + 817547.

It is an arithmetic number, because the mean of its divisors is an integer number (5777940234).

Almost surely, 223110140227 is an apocalyptic number.

23110140227 is a deficient number, since it is larger than the sum of its proper divisors (1620709).

23110140227 is a wasteful number, since it uses less digits than its factorization.

23110140227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620708.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 23110140227 its reverse (72204101132), we get a palindrome (95314241359).

The spelling of 23110140227 in words is "twenty-three billion, one hundred ten million, one hundred forty thousand, two hundred twenty-seven".

Divisors: 1 14387 1606321 23110140227