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23145545245 = 57165198719
BaseRepresentation
bin10101100011100101…
…001111111000011101
32012202001102112010111
4111203211033320131
5334400224421440
614344413210021
71446365613514
oct254345177035
965661375114
1023145545245
1198a8069799
12459b490911
13224b28b504
141197d7767b
15906eae4ea
hex56394fe1d

23145545245 has 8 divisors (see below), whose sum is σ = 28165847040. Its totient is φ = 18255641040.

The previous prime is 23145545231. The next prime is 23145545261. The reversal of 23145545245 is 54254554132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23145545245 - 29 = 23145544733 is a prime.

It is a super-2 number, since 2×231455452452 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23145545198 and 23145545207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32599005 + ... + 32599714.

It is an arithmetic number, because the mean of its divisors is an integer number (3520730880).

Almost surely, 223145545245 is an apocalyptic number.

It is an amenable number.

23145545245 is a deficient number, since it is larger than the sum of its proper divisors (5020301795).

23145545245 is an equidigital number, since it uses as much as digits as its factorization.

23145545245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65198795.

The product of its digits is 480000, while the sum is 40.

The spelling of 23145545245 in words is "twenty-three billion, one hundred forty-five million, five hundred forty-five thousand, two hundred forty-five".

Divisors: 1 5 71 355 65198719 325993595 4629109049 23145545245