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13230030133 = 80929163477
BaseRepresentation
bin11000101001001001…
…00011110100110101
31021011000122011111001
430110210203310311
5204043341431013
610024445243301
7645565254265
oct142444436465
937130564431
1013230030133
11567a009501
122692863531
13132ac418c8
148d71277a5
1552673dddd
hex314923d35

13230030133 has 4 divisors (see below), whose sum is σ = 13230274540. Its totient is φ = 13229785728.

The previous prime is 13230030119. The next prime is 13230030137. The reversal of 13230030133 is 33103003231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6910098129 + 6319932004 = 83127^2 + 79498^2 .

It is a cyclic number.

It is not a de Polignac number, because 13230030133 - 233 = 4640095541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13230030133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230030137) 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, 810 + ... + 162667.

It is an arithmetic number, because the mean of its divisors is an integer number (3307568635).

Almost surely, 213230030133 is an apocalyptic number.

It is an amenable number.

13230030133 is a deficient number, since it is larger than the sum of its proper divisors (244407).

13230030133 is an equidigital number, since it uses as much as digits as its factorization.

13230030133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244406.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 13230030133 its reverse (33103003231), we get a palindrome (46333033364).

The spelling of 13230030133 in words is "thirteen billion, two hundred thirty million, thirty thousand, one hundred thirty-three".

Divisors: 1 80929 163477 13230030133