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12639300177 = 37641967971
BaseRepresentation
bin10111100010101110…
…00110101001010001
31012121212001222022210
423301113012221101
5201341130101202
65450104022333
7625133164440
oct136127065121
935555058283
1012639300177
1153a6612329
122548a619a9
13126574055a
1487c8b4d57
154de952c6c
hex2f15c6a51

12639300177 has 32 divisors (see below), whose sum is σ = 19329767424. Its totient is φ = 7196313600.

The previous prime is 12639300169. The next prime is 12639300257. The reversal of 12639300177 is 77100393621.

It is a happy number.

12639300177 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12639300177 - 23 = 12639300169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12639300127) 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 31 ways as a sum of consecutive naturals, for example, 13016302 + ... + 13017272.

It is an arithmetic number, because the mean of its divisors is an integer number (604055232).

Almost surely, 212639300177 is an apocalyptic number.

It is an amenable number.

12639300177 is a deficient number, since it is larger than the sum of its proper divisors (6690467247).

12639300177 is an equidigital number, since it uses as much as digits as its factorization.

12639300177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589.

The product of its (nonzero) digits is 47628, while the sum is 39.

Adding to 12639300177 its reverse (77100393621), we get a palindrome (89739693798).

The spelling of 12639300177 in words is "twelve billion, six hundred thirty-nine million, three hundred thousand, one hundred seventy-seven".

Divisors: 1 3 7 21 641 967 971 1923 2901 2913 4487 6769 6797 13461 20307 20391 619847 622411 938957 1859541 1867233 2816871 4338929 4356877 6572699 13016787 13070631 19718097 601871437 1805614311 4213100059 12639300177