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23113126445 = 54622625289
BaseRepresentation
bin10101100001101001…
…100101001000101101
32012122210102110220012
4111201221211020231
5334313430021240
614341254303005
71445523222203
oct254151451055
965583373805
1023113126445
119890836aa2
124590657a65
13224464a5a6
141193939073
15904208b65
hex561a6522d

23113126445 has 4 divisors (see below), whose sum is σ = 27735751740. Its totient is φ = 18490501152.

The previous prime is 23113126429. The next prime is 23113126453. The reversal of 23113126445 is 54462131132.

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 7418549161 + 15694577284 = 86131^2 + 125278^2 .

It is a cyclic number.

It is not a de Polignac number, because 23113126445 - 24 = 23113126429 is a prime.

It is a super-2 number, since 2×231131264452 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2311312640 + ... + 2311312649.

It is an arithmetic number, because the mean of its divisors is an integer number (6933937935).

Almost surely, 223113126445 is an apocalyptic number.

It is an amenable number.

23113126445 is a deficient number, since it is larger than the sum of its proper divisors (4622625295).

23113126445 is an equidigital number, since it uses as much as digits as its factorization.

23113126445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622625294.

The product of its digits is 17280, while the sum is 32.

Adding to 23113126445 its reverse (54462131132), we get a palindrome (77575257577).

The spelling of 23113126445 in words is "twenty-three billion, one hundred thirteen million, one hundred twenty-six thousand, four hundred forty-five".

Divisors: 1 5 4622625289 23113126445