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313230201210 = 23256751945307
BaseRepresentation
bin1001000111011011111…
…10011001000101111010
31002221111112212212220100
410203231332121011322
520112443412414320
6355521310140230
731426064531463
oct4435576310572
91087445785810
10313230201210
11110927312293
12508581b1676
13236cab00334
14112362b1d6a
158233e33790
hex48edf9917a

313230201210 has 48 divisors (see below), whose sum is σ = 826553740896. Its totient is φ = 82281364704.

The previous prime is 313230201101. The next prime is 313230201247. The reversal of 313230201210 is 12102032313.

313230201210 is a `hidden beast` number, since 313 + 230 + 2 + 0 + 121 + 0 = 666.

It is a super-2 number, since 2×3132302012102 (a number of 24 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25966624 + ... + 25978683.

It is an arithmetic number, because the mean of its divisors is an integer number (17219869602).

Almost surely, 2313230201210 is an apocalyptic number.

313230201210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

313230201210 is an abundant number, since it is smaller than the sum of its proper divisors (513323539686).

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

313230201210 is a wasteful number, since it uses less digits than its factorization.

313230201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51945387 (or 51945384 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 313230201210 its reverse (12102032313), we get a palindrome (325332233523).

The spelling of 313230201210 in words is "three hundred thirteen billion, two hundred thirty million, two hundred one thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 67 90 134 201 335 402 603 670 1005 1206 2010 3015 6030 51945307 103890614 155835921 259726535 311671842 467507763 519453070 779179605 935015526 1558359210 2337538815 3480335569 4675077630 6960671138 10441006707 17401677845 20882013414 31323020121 34803355690 52205033535 62646040242 104410067070 156615100605 313230201210