Search a number
-
+
13130312333 = 24413537841
BaseRepresentation
bin11000011101010000…
…01010101010001101
31020220001222222101012
430032220022222031
5203342324443313
610010524055005
7643244545655
oct141650125215
936801888335
1013130312333
11562879aaa6
122665394465
1313133996a8
148c7bab365
1551cae2da8
hex30ea0aa8d

13130312333 has 4 divisors (see below), whose sum is σ = 13130874588. Its totient is φ = 13129750080.

The previous prime is 13130312317. The next prime is 13130312341. The reversal of 13130312333 is 33321303131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33321303131 = 61546250871.

It can be written as a sum of positive squares in 2 ways, for example, as 8171617609 + 4958694724 = 90397^2 + 70418^2 .

It is a cyclic number.

It is not a de Polignac number, because 13130312333 - 24 = 13130312317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13130312299 and 13130312308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130314333) 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, 244508 + ... + 293333.

It is an arithmetic number, because the mean of its divisors is an integer number (3282718647).

Almost surely, 213130312333 is an apocalyptic number.

It is an amenable number.

13130312333 is a deficient number, since it is larger than the sum of its proper divisors (562255).

13130312333 is an equidigital number, since it uses as much as digits as its factorization.

13130312333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562254.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 13130312333 its reverse (33321303131), we get a palindrome (46451615464).

The spelling of 13130312333 in words is "thirteen billion, one hundred thirty million, three hundred twelve thousand, three hundred thirty-three".

Divisors: 1 24413 537841 13130312333