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313330213212 = 22375493458849
BaseRepresentation
bin1001000111100111110…
…11111010000101011100
31002221202112002000120120
410203303323322011130
520113200013310322
6355535241514540
731431420603612
oct4436373720534
91087675060516
10313330213212
11110978811835
12508857a2a50
1323715749433
14112456a76b2
15823cadba5c
hex48f3efa15c

313330213212 has 24 divisors (see below), whose sum is σ = 731200890000. Its totient is φ = 104429538816.

The previous prime is 313330213211. The next prime is 313330213237. The reversal of 313330213212 is 212312033313.

It is a super-2 number, since 2×3133302132122 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313330213211) 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, 1638837 + ... + 1820012.

It is an arithmetic number, because the mean of its divisors is an integer number (30466703750).

Almost surely, 2313330213212 is an apocalyptic number.

It is an amenable number.

313330213212 is an abundant number, since it is smaller than the sum of its proper divisors (417870676788).

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

313330213212 is a wasteful number, since it uses less digits than its factorization.

313330213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466405 (or 3466403 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 313330213212 its reverse (212312033313), we get a palindrome (525642246525).

The spelling of 313330213212 in words is "three hundred thirteen billion, three hundred thirty million, two hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 7549 15098 22647 30196 45294 90588 3458849 6917698 10376547 13835396 20753094 41506188 26110851101 52221702202 78332553303 104443404404 156665106606 313330213212