Search a number
-
+
13147434489 = 37626068309
BaseRepresentation
bin11000011111010010…
…11110110111111001
31020221021012212120010
430033221132313321
5203411220400424
610012335052133
7643543230540
oct141751366771
936837185503
1013147434489
115637425142
12266b071049
131316ab2c47
148ca187157
1551e376229
hex30fa5edf9

13147434489 has 8 divisors (see below), whose sum is σ = 20034185920. Its totient is φ = 7512819696.

The previous prime is 13147434473. The next prime is 13147434511. The reversal of 13147434489 is 98443474131.

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

It is not a de Polignac number, because 13147434489 - 24 = 13147434473 is a prime.

It is a super-2 number, since 2×131474344892 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13147434089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313034134 + ... + 313034175.

It is an arithmetic number, because the mean of its divisors is an integer number (2504273240).

Almost surely, 213147434489 is an apocalyptic number.

It is an amenable number.

13147434489 is a deficient number, since it is larger than the sum of its proper divisors (6886751431).

13147434489 is an equidigital number, since it uses as much as digits as its factorization.

13147434489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626068319.

The product of its digits is 1161216, while the sum is 48.

The spelling of 13147434489 in words is "thirteen billion, one hundred forty-seven million, four hundred thirty-four thousand, four hundred eighty-nine".

Divisors: 1 3 7 21 626068309 1878204927 4382478163 13147434489