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2313313212 = 2237230911927
BaseRepresentation
bin1000100111100010…
…0101101110111100
312222012220111011010
42021320211232330
514214202010322
61021314155220
7111216560250
oct21170455674
95865814133
102313313212
11a87894501
12546882b10
132ab356ab2
1417d336260
15d815120c
hex89e25bbc

2313313212 has 48 divisors (see below), whose sum is σ = 6172024320. Its totient is φ = 660604992.

The previous prime is 2313313141. The next prime is 2313313243. The reversal of 2313313212 is 2123133132.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187993 + ... + 199919.

It is an arithmetic number, because the mean of its divisors is an integer number (128583840).

Almost surely, 22313313212 is an apocalyptic number.

It is an amenable number.

2313313212 is an abundant number, since it is smaller than the sum of its proper divisors (3858711108).

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

2313313212 is a wasteful number, since it uses less digits than its factorization.

2313313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14250 (or 14248 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 2313313212 is about 48096.9147867096. The cubic root of 2313313212 is about 1322.5481105945.

Adding to 2313313212 its reverse (2123133132), we get a palindrome (4436446344).

The spelling of 2313313212 in words is "two billion, three hundred thirteen million, three hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 2309 4618 6927 9236 11927 13854 16163 23854 27708 32326 35781 47708 48489 64652 71562 83489 96978 143124 166978 193956 250467 333956 500934 1001868 27539443 55078886 82618329 110157772 165236658 192776101 330473316 385552202 578328303 771104404 1156656606 2313313212