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10131223045 = 52026244609
BaseRepresentation
bin10010110111101111…
…00011001000000101
3222011001200110022011
421123313203020011
5131222043114140
64353151134221
7506026655266
oct113367431005
928131613264
1010131223045
1143298a1909
121b68b14371
13c55c43848
146c176096d
153e467dcea
hex25bde3205

10131223045 has 4 divisors (see below), whose sum is σ = 12157467660. Its totient is φ = 8104978432.

The previous prime is 10131223027. The next prime is 10131223079. The reversal of 10131223045 is 54032213101.

It is a happy number.

10131223045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3016975329 + 7114247716 = 54927^2 + 84346^2 .

It is a cyclic number.

It is not a de Polignac number, because 10131223045 - 25 = 10131223013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013122300 + ... + 1013122309.

It is an arithmetic number, because the mean of its divisors is an integer number (3039366915).

Almost surely, 210131223045 is an apocalyptic number.

It is an amenable number.

10131223045 is a deficient number, since it is larger than the sum of its proper divisors (2026244615).

10131223045 is an equidigital number, since it uses as much as digits as its factorization.

10131223045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026244614.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 10131223045 its reverse (54032213101), we get a palindrome (64163436146).

The spelling of 10131223045 in words is "ten billion, one hundred thirty-one million, two hundred twenty-three thousand, forty-five".

Divisors: 1 5 2026244609 10131223045