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13270645186 = 211489577537
BaseRepresentation
bin11000101101111110…
…11111100111000010
31021020212001121212021
430112333133213002
5204134241121221
610032455552054
7646600423441
oct142677374702
937225047767
1013270645186
11569aa2a167
1226a438b62a
131336492396
148dc69ad58
1552a0b3041
hex316fdf9c2

13270645186 has 8 divisors (see below), whose sum is σ = 19907734860. Its totient is φ = 6634733568.

The previous prime is 13270645181. The next prime is 13270645187. The reversal of 13270645186 is 68154607231.

It can be written as a sum of positive squares in 2 ways, for example, as 13219250625 + 51394561 = 114975^2 + 7169^2 .

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

It is a super-2 number, since 2×132706451862 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13270645181) 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, 265791 + ... + 311746.

Almost surely, 213270645186 is an apocalyptic number.

13270645186 is a deficient number, since it is larger than the sum of its proper divisors (6637089674).

13270645186 is a wasteful number, since it uses less digits than its factorization.

13270645186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589028.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 13270645186 in words is "thirteen billion, two hundred seventy million, six hundred forty-five thousand, one hundred eighty-six".

Divisors: 1 2 11489 22978 577537 1155074 6635322593 13270645186