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313204012 = 22116121913
BaseRepresentation
bin10010101010110…
…001110100101100
3210211100102010121
4102222301310230
51120140012022
651025014324
710522122142
oct2252616454
9724312117
10313204012
111508828a0
1288a843a4
134cb71b24
142d84d592
151c76b2c7
hex12ab1d2c

313204012 has 36 divisors (see below), whose sum is σ = 608215608. Its totient is φ = 139958400.

The previous prime is 313203967. The next prime is 313204013. The reversal of 313204012 is 210402313.

It is a happy number.

It is a super-2 number, since 2×3132040122 = 196193506265792288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313204013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162768 + ... + 164680.

It is an arithmetic number, because the mean of its divisors is an integer number (16894878).

Almost surely, 2313204012 is an apocalyptic number.

It is an amenable number.

313204012 is a deficient number, since it is larger than the sum of its proper divisors (295011596).

313204012 is a wasteful number, since it uses less digits than its factorization.

313204012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050 (or 1987 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 313204012 is about 17697.5707937558. The cubic root of 313204012 is about 679.1136173017.

Adding to 313204012 its reverse (210402313), we get a palindrome (523606325).

The spelling of 313204012 in words is "three hundred thirteen million, two hundred four thousand, twelve".

Divisors: 1 2 4 11 22 44 61 122 244 671 1342 1913 2684 3721 3826 7442 7652 14884 21043 40931 42086 81862 84172 116693 163724 233386 466772 1283623 2567246 5134492 7118273 14236546 28473092 78301003 156602006 313204012