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12214232072 = 237353617879
BaseRepresentation
bin10110110000000011…
…00110010000001000
31011112020020021111122
423120001212100020
5200003320411242
65340001214412
7611452155020
oct133001462010
934466207448
1012214232072
1151a8685379
12244a631408
1311c8662a73
1483c266a80
154b748bad2
hex2d8066408

12214232072 has 32 divisors (see below), whose sum is σ = 26247542400. Its totient is φ = 5219833344.

The previous prime is 12214232071. The next prime is 12214232083. The reversal of 12214232072 is 27023241221.

It is not an unprimeable number, because it can be changed into a prime (12214232071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289172 + ... + 328707.

It is an arithmetic number, because the mean of its divisors is an integer number (820235700).

Almost surely, 212214232072 is an apocalyptic number.

It is an amenable number.

12214232072 is an abundant number, since it is smaller than the sum of its proper divisors (14033310328).

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

12214232072 is a wasteful number, since it uses less digits than its factorization.

12214232072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618245 (or 618241 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 12214232072 its reverse (27023241221), we get a palindrome (39237473293).

The spelling of 12214232072 in words is "twelve billion, two hundred fourteen million, two hundred thirty-two thousand, seventy-two".

Divisors: 1 2 4 7 8 14 28 56 353 706 1412 2471 2824 4942 9884 19768 617879 1235758 2471516 4325153 4943032 8650306 17300612 34601224 218111287 436222574 872445148 1526779009 1744890296 3053558018 6107116036 12214232072