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214303288444 = 2279778904009
BaseRepresentation
bin1100011110010101111…
…0001010110001111100
3202111011011110000121021
43013211132022301330
512002343120212234
6242241035113524
721324430616260
oct3074536126174
9674134400537
10214303288444
118298168a543
12356498a28a4
131729370a86b
14a52d9860a0
1558940159b4
hex31e578ac7c

214303288444 has 24 divisors (see below), whose sum is σ = 433025206880. Its totient is φ = 90897417216.

The previous prime is 214303288439. The next prime is 214303288471. The reversal of 214303288444 is 444882303412.

It is a happy number.

It is a super-2 number, since 2×2143032884442 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 214303288444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39449289 + ... + 39454720.

Almost surely, 2214303288444 is an apocalyptic number.

It is an amenable number.

214303288444 is an abundant number, since it is smaller than the sum of its proper divisors (218721918436).

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

214303288444 is a wasteful number, since it uses less digits than its factorization.

214303288444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78904117 (or 78904115 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 43.

The spelling of 214303288444 in words is "two hundred fourteen billion, three hundred three million, two hundred eighty-eight thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 97 194 388 679 1358 2716 78904009 157808018 315616036 552328063 1104656126 2209312252 7653688873 15307377746 30614755492 53575822111 107151644222 214303288444