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312333012 = 223227731321
BaseRepresentation
bin10010100111011…
…101001011010100
3210202201011100100
4102213131023110
51114424124022
650554214100
710511533605
oct2247351324
9722634310
10312333012
11150338462
1288724330
134c928544
142d6a3dac
151c6481ac
hex129dd2d4

312333012 has 36 divisors (see below), whose sum is σ = 792383956. Its totient is φ = 103731840.

The previous prime is 312332981. The next prime is 312333023. The reversal of 312333012 is 210333213.

It can be written as a sum of positive squares in 2 ways, for example, as 108243216 + 204089796 = 10404^2 + 14286^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5689 + ... + 25632.

Almost surely, 2312333012 is an apocalyptic number.

It is an amenable number.

312333012 is an abundant number, since it is smaller than the sum of its proper divisors (480050944).

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

312333012 is a wasteful number, since it uses less digits than its factorization.

312333012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31608 (or 31603 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 312333012 is about 17672.9457646426. The cubic root of 312333012 is about 678.4835092339.

Adding to 312333012 its reverse (210333213), we get a palindrome (522666225).

The spelling of 312333012 in words is "three hundred twelve million, three hundred thirty-three thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 277 554 831 1108 1662 2493 3324 4986 9972 31321 62642 93963 125284 187926 281889 375852 563778 1127556 8675917 17351834 26027751 34703668 52055502 78083253 104111004 156166506 312333012