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1214730318 = 23202455053
BaseRepresentation
bin100100001100111…
…0101000001001110
310010122201200201210
41020121311001032
54441432332233
6320311515250
742050015544
oct11031650116
93118650653
101214730318
1157375795a
1229a988b26
13164881149
14b7485d94
157199a163
hex4867504e

1214730318 has 8 divisors (see below), whose sum is σ = 2429460648. Its totient is φ = 404910104.

The previous prime is 1214730311. The next prime is 1214730323. The reversal of 1214730318 is 8130374121.

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

1214730318 is an admirable number.

It is a super-2 number, since 2×12147303182 = 2951139490936762248, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214730311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101227521 + ... + 101227532.

It is an arithmetic number, because the mean of its divisors is an integer number (303682581).

Almost surely, 21214730318 is an apocalyptic number.

1214730318 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1214730318 is a wasteful number, since it uses less digits than its factorization.

1214730318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202455058.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1214730318 is about 34852.9814793512. The cubic root of 1214730318 is about 1066.9890365257.

The spelling of 1214730318 in words is "one billion, two hundred fourteen million, seven hundred thirty thousand, three hundred eighteen".

Divisors: 1 2 3 6 202455053 404910106 607365159 1214730318