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2111312364 = 223775733203
BaseRepresentation
bin111110111011000…
…0001000111101100
312110010210210002020
41331312001013230
513310443443424
6545300430140
7103214600430
oct17566010754
95403723066
102111312364
11993865257
124ab0a8350
1327854bb75
141605929c0
15c554e079
hex7dd811ec

2111312364 has 48 divisors (see below), whose sum is σ = 5637773568. Its totient is φ = 602417088.

The previous prime is 2111312323. The next prime is 2111312369. The reversal of 2111312364 is 4632131112.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (2111312369) by changing a digit.

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, 46987 + ... + 80189.

It is an arithmetic number, because the mean of its divisors is an integer number (117453616).

Almost surely, 22111312364 is an apocalyptic number.

It is an amenable number.

2111312364 is an abundant number, since it is smaller than the sum of its proper divisors (3526461204).

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

2111312364 is a wasteful number, since it uses less digits than its factorization.

2111312364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33974 (or 33972 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 2111312364 is about 45949.0191843090. The cubic root of 2111312364 is about 1282.8744734446.

Adding to 2111312364 its reverse (4632131112), we get a palindrome (6743443476).

The spelling of 2111312364 in words is "two billion, one hundred eleven million, three hundred twelve thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 757 1514 2271 3028 4542 5299 9084 10598 15897 21196 31794 33203 63588 66406 99609 132812 199218 232421 398436 464842 697263 929684 1394526 2789052 25134671 50269342 75404013 100538684 150808026 175942697 301616052 351885394 527828091 703770788 1055656182 2111312364