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13002013123 = 111182001193
BaseRepresentation
bin11000001101111101…
…01111100111000011
31020120010120200221121
430012332233213003
5203112003404443
65550102133111
7640126200541
oct140676574703
936503520847
1013002013123
11557232a9a0
12262a421197
1312c29280b8
148b4b30d91
155116ed4ed
hex306faf9c3

13002013123 has 4 divisors (see below), whose sum is σ = 14184014328. Its totient is φ = 11820011920.

The previous prime is 13002013069. The next prime is 13002013147. The reversal of 13002013123 is 32131020031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13002013123 - 229 = 12465142211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13002013097 and 13002013106.

It is not an unprimeable number, because it can be changed into a prime (13002013223) 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, 591000586 + ... + 591000607.

It is an arithmetic number, because the mean of its divisors is an integer number (3546003582).

Almost surely, 213002013123 is an apocalyptic number.

13002013123 is a deficient number, since it is larger than the sum of its proper divisors (1182001205).

13002013123 is a wasteful number, since it uses less digits than its factorization.

13002013123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182001204.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13002013123 its reverse (32131020031), we get a palindrome (45133033154).

The spelling of 13002013123 in words is "thirteen billion, two million, thirteen thousand, one hundred twenty-three".

Divisors: 1 11 1182001193 13002013123