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312330122 = 21352123057
BaseRepresentation
bin10010100111011…
…100011110001010
3210202201000101022
4102213130132022
51114424030442
650554152442
710511522306
oct2247343612
9722630338
10312330122
11150336275
1288722722
134c927130
142d6a2d06
151c6473d2
hex129dc78a

312330122 has 16 divisors (see below), whose sum is σ = 505523592. Its totient is φ = 143869440.

The previous prime is 312330107. The next prime is 312330127. The reversal of 312330122 is 221033213.

It can be written as a sum of positive squares in 4 ways, for example, as 262472401 + 49857721 = 16201^2 + 7061^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312330122.

It is not an unprimeable number, because it can be changed into a prime (312330127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2018 + ... + 25074.

Almost surely, 2312330122 is an apocalyptic number.

312330122 is a deficient number, since it is larger than the sum of its proper divisors (193193470).

312330122 is a wasteful number, since it uses less digits than its factorization.

312330122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23593.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 312330122 is about 17672.8640010611. The cubic root of 312330122 is about 678.4814165707.

Adding to 312330122 its reverse (221033213), we get a palindrome (533363335).

The spelling of 312330122 in words is "three hundred twelve million, three hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 13 26 521 1042 6773 13546 23057 46114 299741 599482 12012697 24025394 156165061 312330122