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214221347889 = 388380868761
BaseRepresentation
bin1100011110000010010…
…1100101110000110001
3202110221110021000021220
43013200211211300301
512002211131113024
6242224550535253
721322414261443
oct3074045456061
9673843230256
10214221347889
118293a40337a
1235626367529
131727c74b123
14a522b36493
15588bc2be79
hex31e0965c31

214221347889 has 8 divisors (see below), whose sum is σ = 285951942432. Its totient is φ = 142652492640.

The previous prime is 214221347887. The next prime is 214221347897. The reversal of 214221347889 is 988743122412.

It is a happy number.

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

It is not a de Polignac number, because 214221347889 - 21 = 214221347887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214221347887) 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 7 ways as a sum of consecutive naturals, for example, 40431732 + ... + 40437029.

It is an arithmetic number, because the mean of its divisors is an integer number (35743992804).

Almost surely, 2214221347889 is an apocalyptic number.

It is an amenable number.

214221347889 is a deficient number, since it is larger than the sum of its proper divisors (71730594543).

214221347889 is an equidigital number, since it uses as much as digits as its factorization.

214221347889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80869647.

The product of its digits is 1548288, while the sum is 51.

The spelling of 214221347889 in words is "two hundred fourteen billion, two hundred twenty-one million, three hundred forty-seven thousand, eight hundred eighty-nine".

Divisors: 1 3 883 2649 80868761 242606283 71407115963 214221347889