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123013240415425 = 524920529616617
BaseRepresentation
bin11011111110000101000000…
…011111110110010011000001
3121010112221200020020002211001
4123332011000133312103001
5112110422104021243200
61113343300312252001
734624261526131423
oct3376050037662301
9533487606202731
10123013240415425
11362176932a1a78
12119689593a1001
1353841390964c9
142253c305d4813
15e34ccb48a76a
hex6fe1407f64c1

123013240415425 has 6 divisors (see below), whose sum is σ = 152536418115158. Its totient is φ = 98410592332320.

The previous prime is 123013240415413. The next prime is 123013240415437. The reversal of 123013240415425 is 524514042310321.

It is an interprime number because it is at equal distance from previous prime (123013240415413) and next prime (123013240415437).

It can be written as a sum of positive squares in 3 ways, for example, as 15771827333376 + 107241413082049 = 3971376^2 + 10355743^2 .

It is not a de Polignac number, because 123013240415425 - 225 = 123013206860993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2460264808284 + ... + 2460264808333.

Almost surely, 2123013240415425 is an apocalyptic number.

It is an amenable number.

123013240415425 is a deficient number, since it is larger than the sum of its proper divisors (29523177699733).

123013240415425 is an equidigital number, since it uses as much as digits as its factorization.

123013240415425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920529616627 (or 4920529616622 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 123013240415425 its reverse (524514042310321), we get a palindrome (647527282725746).

The spelling of 123013240415425 in words is "one hundred twenty-three trillion, thirteen billion, two hundred forty million, four hundred fifteen thousand, four hundred twenty-five".

Divisors: 1 5 25 4920529616617 24602648083085 123013240415425