Search a number
-
+
13012130122 = 211357575797
BaseRepresentation
bin11000001111001010…
…10101100101001010
31020120211121200212021
430013211111211022
5203122101130442
65551103035054
7640311165265
oct140745254512
936524550767
1013012130122
11557800aa52
12263189ba8a
1312c4a5aca4
148b6205cdc
1551254ae67
hex30795594a

13012130122 has 8 divisors (see below), whose sum is σ = 19690922916. Its totient is φ = 6448489152.

The previous prime is 13012130119. The next prime is 13012130129. The reversal of 13012130122 is 22103121031.

It can be written as a sum of positive squares in 2 ways, for example, as 8787000121 + 4225130001 = 93739^2 + 65001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13012130096 and 13012130105.

It is not an unprimeable number, because it can be changed into a prime (13012130129) 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, 28787673 + ... + 28788124.

Almost surely, 213012130122 is an apocalyptic number.

13012130122 is a deficient number, since it is larger than the sum of its proper divisors (6678792794).

13012130122 is a wasteful number, since it uses less digits than its factorization.

13012130122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57575912.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13012130122 its reverse (22103121031), we get a palindrome (35115251153).

Subtracting 13012130122 from its reverse (22103121031), we obtain a palindrome (9090990909).

The spelling of 13012130122 in words is "thirteen billion, twelve million, one hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 113 226 57575797 115151594 6506065061 13012130122