Search a number
-
+
13130310233 = 17097683037
BaseRepresentation
bin11000011101010000…
…01010001001011001
31020220001222212111102
430032220022021121
5203342324411413
610010524041145
7643244536565
oct141650121131
936801885442
1013130310233
115628799467
1226653931b5
131313398751
148c7baa6a5
1551cae2458
hex30ea0a259

13130310233 has 4 divisors (see below), whose sum is σ = 13137994980. Its totient is φ = 13122625488.

The previous prime is 13130310211. The next prime is 13130310257. The reversal of 13130310233 is 33201303131.

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 7251714649 + 5878595584 = 85157^2 + 76672^2 .

It is a cyclic number.

It is not a de Polignac number, because 13130310233 - 28 = 13130309977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13130310203) 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, 3839810 + ... + 3843227.

It is an arithmetic number, because the mean of its divisors is an integer number (3284498745).

Almost surely, 213130310233 is an apocalyptic number.

It is an amenable number.

13130310233 is a deficient number, since it is larger than the sum of its proper divisors (7684747).

13130310233 is an equidigital number, since it uses as much as digits as its factorization.

13130310233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7684746.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13130310233 its reverse (33201303131), we get a palindrome (46331613364).

The spelling of 13130310233 in words is "thirteen billion, one hundred thirty million, three hundred ten thousand, two hundred thirty-three".

Divisors: 1 1709 7683037 13130310233