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214322544220 = 22552312048581
BaseRepresentation
bin1100011110011010011…
…1100111111001011100
3202111012111200022120011
43013212213213321130
512002413032403340
6242243003533004
721325053365461
oct3074647477134
9674174608504
10214322544220
1182991541704
123565422a164
13172976c0305
14a532359668
155895a6b0ea
hex31e69e7e5c

214322544220 has 24 divisors (see below), whose sum is σ = 450163603008. Its totient is φ = 85712587200.

The previous prime is 214322544197. The next prime is 214322544223. The reversal of 214322544220 is 22445223412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214322544223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919671 + ... + 1128910.

It is an arithmetic number, because the mean of its divisors is an integer number (18756816792).

Almost surely, 2214322544220 is an apocalyptic number.

214322544220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214322544220 is an abundant number, since it is smaller than the sum of its proper divisors (235841058788).

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

214322544220 is a wasteful number, since it uses less digits than its factorization.

214322544220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053821 (or 2053819 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 214322544220 its reverse (22445223412), we get a palindrome (236767767632).

It can be divided in two parts, 21432 and 2544220, that added together give a palindrome (2565652).

The spelling of 214322544220 in words is "two hundred fourteen billion, three hundred twenty-two million, five hundred forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5231 10462 20924 26155 52310 104620 2048581 4097162 8194324 10242905 20485810 40971620 10716127211 21432254422 42864508844 53580636055 107161272110 214322544220