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12214150891 = 52396724151
BaseRepresentation
bin10110110000000010…
…10010011011101011
31011112020002011010221
423120001102123223
5200003310312031
65335555350511
7611451366235
oct133001223353
934466064127
1012214150891
1151a862a388
12244a5b2437
1311c8634b27
1483c245255
154b7472a11
hex2d80526eb

12214150891 has 8 divisors (see below), whose sum is σ = 12250667264. Its totient is φ = 12177685800.

The previous prime is 12214150847. The next prime is 12214150933. The reversal of 12214150891 is 19805141221.

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

It is a cyclic number.

It is not a de Polignac number, because 12214150891 - 27 = 12214150763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12214150801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493666 + ... + 517816.

It is an arithmetic number, because the mean of its divisors is an integer number (1531333408).

Almost surely, 212214150891 is an apocalyptic number.

12214150891 is a deficient number, since it is larger than the sum of its proper divisors (36516373).

12214150891 is an equidigital number, since it uses as much as digits as its factorization.

12214150891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25641.

The product of its (nonzero) digits is 5760, while the sum is 34.

The spelling of 12214150891 in words is "twelve billion, two hundred fourteen million, one hundred fifty thousand, eight hundred ninety-one".

Divisors: 1 523 967 24151 505741 12630973 23354017 12214150891