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13030233133 = 57122820023
BaseRepresentation
bin11000010001010100…
…11001010000101101
31020122002200102112011
430020222121100231
5203141214430013
65552551041221
7640621103611
oct141052312055
936562612464
1013030233133
115587255015
122637970211
1312c8728b28
148b8799341
15513e24c3d
hex308a9942d

13030233133 has 4 divisors (see below), whose sum is σ = 13053053728. Its totient is φ = 13007412540.

The previous prime is 13030233127. The next prime is 13030233137. The reversal of 13030233133 is 33133203031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13030233133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030233137) 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, 11409441 + ... + 11410582.

It is an arithmetic number, because the mean of its divisors is an integer number (3263263432).

Almost surely, 213030233133 is an apocalyptic number.

It is an amenable number.

13030233133 is a deficient number, since it is larger than the sum of its proper divisors (22820595).

13030233133 is an equidigital number, since it uses as much as digits as its factorization.

13030233133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22820594.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 13030233133 its reverse (33133203031), we get a palindrome (46163436164).

The spelling of 13030233133 in words is "thirteen billion, thirty million, two hundred thirty-three thousand, one hundred thirty-three".

Divisors: 1 571 22820023 13030233133