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13103112041 = 57734576569
BaseRepresentation
bin11000011010000000…
…11001111101101001
31020211011211001120222
430031000121331221
5203313344041131
610004113055425
7642464420555
oct141500317551
936734731528
1013103112041
115614402018
122658257575
13130a864b46
148c432a865
1551a51d87b
hex30d019f69

13103112041 has 8 divisors (see below), whose sum is σ = 13131616680. Its totient is φ = 13074628608.

The previous prime is 13103112017. The next prime is 13103112053. The reversal of 13103112041 is 14021130131.

It can be written as a sum of positive squares in 4 ways, for example, as 4708704400 + 8394407641 = 68620^2 + 91621^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13103112041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13103112541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1991405 + ... + 1997973.

It is an arithmetic number, because the mean of its divisors is an integer number (1641452085).

Almost surely, 213103112041 is an apocalyptic number.

It is an amenable number.

13103112041 is a deficient number, since it is larger than the sum of its proper divisors (28504639).

13103112041 is an equidigital number, since it uses as much as digits as its factorization.

13103112041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10603.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13103112041 its reverse (14021130131), we get a palindrome (27124242172).

The spelling of 13103112041 in words is "thirteen billion, one hundred three million, one hundred twelve thousand, forty-one".

Divisors: 1 577 3457 6569 1994689 3790313 22709033 13103112041