Search a number
-
+
12638580297 = 37601837157
BaseRepresentation
bin10111100010101000…
…10110111001001001
31012121210201101211120
423301110112321021
5201340434032142
65450040345453
7625124105610
oct136124267111
935553641746
1012638580297
1153a6170492
122548775289
13126554a9a5
1487c768877
154de85e7ec
hex2f1516e49

12638580297 has 8 divisors (see below), whose sum is σ = 19258789056. Its totient is φ = 7222045872.

The previous prime is 12638580263. The next prime is 12638580299. The reversal of 12638580297 is 79208583621.

12638580297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12638580297 - 210 = 12638579273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12638580299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300918558 + ... + 300918599.

It is an arithmetic number, because the mean of its divisors is an integer number (2407348632).

Almost surely, 212638580297 is an apocalyptic number.

It is an amenable number.

12638580297 is a deficient number, since it is larger than the sum of its proper divisors (6620208759).

12638580297 is an equidigital number, since it uses as much as digits as its factorization.

12638580297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601837167.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 12638580297 in words is "twelve billion, six hundred thirty-eight million, five hundred eighty thousand, two hundred ninety-seven".

Divisors: 1 3 7 21 601837157 1805511471 4212860099 12638580297