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312223102222 = 2716353346097
BaseRepresentation
bin1001000101100011111…
…00100111010100001110
31002211220100211221210211
410202301330213110032
520103413103232342
6355233332353034
731362115403023
oct4426174472416
91084810757724
10312223102222
1111045a88a979
1250616a7577a
132359a278b85
141117c63754a
1581c57edc17
hex48b1f2750e

312223102222 has 16 divisors (see below), whose sum is σ = 475007045472. Its totient is φ = 153888125440.

The previous prime is 312223102199. The next prime is 312223102231. The reversal of 312223102222 is 222201322213.

It is a super-2 number, since 2×3122231022222 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312223102193 and 312223102202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729078 + ... + 1075174.

It is an arithmetic number, because the mean of its divisors is an integer number (29687940342).

Almost surely, 2312223102222 is an apocalyptic number.

312223102222 is a deficient number, since it is larger than the sum of its proper divisors (162783943250).

312223102222 is a wasteful number, since it uses less digits than its factorization.

312223102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352523.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 312223102222 its reverse (222201322213), we get a palindrome (534424424435).

The spelling of 312223102222 in words is "three hundred twelve billion, two hundred twenty-three million, one hundred two thousand, two hundred twenty-two".

Divisors: 1 2 71 142 6353 12706 346097 451063 692194 902126 24572887 49145774 2198754241 4397508482 156111551111 312223102222