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214193685888 = 27327213291887
BaseRepresentation
bin1100011101111011110…
…0000100010110000000
3202110212112012122011100
43013132330010112000
512002132040422023
6242222122014400
721321630201300
oct3073674042600
9673775178140
10214193685888
118292582a516
1235619047400
1317276ab4390
14a51d1b5600
1558895b5c43
hex31def04580

214193685888 has 288 divisors, whose sum is σ = 772151758560. Its totient is φ = 56490448896.

The previous prime is 214193685851. The next prime is 214193685889. The reversal of 214193685888 is 888586391412.

214193685888 is a `hidden beast` number, since 2 + 1 + 4 + 19 + 36 + 8 + 588 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214193685889) 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 35 ways as a sum of consecutive naturals, for example, 587881 + ... + 879767.

It is an arithmetic number, because the mean of its divisors is an integer number (2681082495).

Almost surely, 2214193685888 is an apocalyptic number.

214193685888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214193685888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386075879280).

214193685888 is an abundant number, since it is smaller than the sum of its proper divisors (557958072672).

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

214193685888 is a wasteful number, since it uses less digits than its factorization.

214193685888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291934 (or 291912 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 63.

The spelling of 214193685888 in words is "two hundred fourteen billion, one hundred ninety-three million, six hundred eighty-five thousand, eight hundred eighty-eight".