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12240272170 = 2571718475569
BaseRepresentation
bin10110110011001001…
…11011101100101010
31011121001020020210201
423121210323230222
5200032002202140
65342331302414
7612216411460
oct133144735452
934531206721
1012240272170
115211350715
1224572aaa0a
131200b7c4c9
148418c4830
154b98d249a
hex2d993bb2a

12240272170 has 64 divisors (see below), whose sum is σ = 26680389120. Its totient is φ = 3946954752.

The previous prime is 12240272167. The next prime is 12240272243. The reversal of 12240272170 is 7127204221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2195146 + ... + 2200714.

It is an arithmetic number, because the mean of its divisors is an integer number (416881080).

Almost surely, 212240272170 is an apocalyptic number.

12240272170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12240272170 is an abundant number, since it is smaller than the sum of its proper divisors (14440116950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12240272170 is a wasteful number, since it uses less digits than its factorization.

12240272170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447.

The product of its (nonzero) digits is 3136, while the sum is 28.

Adding to 12240272170 its reverse (7127204221), we get a palindrome (19367476391).

The spelling of 12240272170 in words is "twelve billion, two hundred forty million, two hundred seventy-two thousand, one hundred seventy".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 595 1190 1847 3694 5569 9235 11138 12929 18470 25858 27845 31399 38983 55690 62798 64645 77966 94673 129290 156995 189346 194915 219793 313990 389830 439586 473365 662711 946730 1098965 1325422 2197930 3313555 6627110 10285943 20571886 51429715 72001601 102859430 144003202 174861031 349722062 360008005 720016010 874305155 1224027217 1748610310 2448054434 6120136085 12240272170