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13110123011 = 88631479197
BaseRepresentation
bin11000011010110110…
…01001101000000011
31020211200000020211112
430031123021220003
5203322142414021
610004523233535
7642611130656
oct141533115003
936750006745
1013110123011
115618360507
12265a6788ab
13130c14b04b
148c523389d
1551ae55d5b
hex30d6c9a03

13110123011 has 4 divisors (see below), whose sum is σ = 13111611072. Its totient is φ = 13108634952.

The previous prime is 13110123007. The next prime is 13110123023. The reversal of 13110123011 is 11032101131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11032101131 = 45013245087.

It is a cyclic number.

It is not a de Polignac number, because 13110123011 - 22 = 13110123007 is a prime.

It is a super-2 number, since 2×131101230112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13110123041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730736 + ... + 748461.

It is an arithmetic number, because the mean of its divisors is an integer number (3277902768).

Almost surely, 213110123011 is an apocalyptic number.

13110123011 is a deficient number, since it is larger than the sum of its proper divisors (1488061).

13110123011 is an equidigital number, since it uses as much as digits as its factorization.

13110123011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488060.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 13110123011 its reverse (11032101131), we get a palindrome (24142224142).

The spelling of 13110123011 in words is "thirteen billion, one hundred ten million, one hundred twenty-three thousand, eleven".

Divisors: 1 8863 1479197 13110123011