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2100031343 = 2418713823
BaseRepresentation
bin111110100101011…
…1110111101101111
312102100120122102122
41331022332331233
513300102000333
6544214543155
7103016654234
oct17512767557
95370518378
102100031343
1198845a6a3
124a7367abb
132760cc1c7
1415cc9778b
15c4571798
hex7d2bef6f

2100031343 has 4 divisors (see below), whose sum is σ = 2108745408. Its totient is φ = 2091317280.

The previous prime is 2100031333. The next prime is 2100031361. The reversal of 2100031343 is 3431300012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2100031343 is a prime.

It is a super-3 number, since 3×21000313433 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100031333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4356671 + ... + 4357152.

It is an arithmetic number, because the mean of its divisors is an integer number (527186352).

Almost surely, 22100031343 is an apocalyptic number.

2100031343 is a deficient number, since it is larger than the sum of its proper divisors (8714065).

2100031343 is an equidigital number, since it uses as much as digits as its factorization.

2100031343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8714064.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2100031343 is about 45826.0989284491. The cubic root of 2100031343 is about 1280.5855359388.

Adding to 2100031343 its reverse (3431300012), we get a palindrome (5531331355).

The spelling of 2100031343 in words is "two billion, one hundred million, thirty-one thousand, three hundred forty-three".

Divisors: 1 241 8713823 2100031343