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13102423042 = 26551211521
BaseRepresentation
bin11000011001111011…
…10001110000000010
31020211010112001110111
430030331301300002
5203313210014132
610004050221534
7642455521042
oct141475616002
936733461414
1013102423042
115613a813a5
122657b848aa
13130a683357
148c41cb722
1551a434647
hex30cf71c02

13102423042 has 4 divisors (see below), whose sum is σ = 19653634566. Its totient is φ = 6551211520.

The previous prime is 13102423027. The next prime is 13102423057. The reversal of 13102423042 is 24032420131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24032420131 = 51194694749.

It is an interprime number because it is at equal distance from previous prime (13102423027) and next prime (13102423057).

It can be written as a sum of positive squares in only one way, i.e., 8392208881 + 4710214161 = 91609^2 + 68631^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275605759 + ... + 3275605762.

Almost surely, 213102423042 is an apocalyptic number.

13102423042 is a deficient number, since it is larger than the sum of its proper divisors (6551211524).

13102423042 is an equidigital number, since it uses as much as digits as its factorization.

13102423042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6551211523.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13102423042 its reverse (24032420131), we get a palindrome (37134843173).

The spelling of 13102423042 in words is "thirteen billion, one hundred two million, four hundred twenty-three thousand, forty-two".

Divisors: 1 2 6551211521 13102423042