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2147333213 = 5340515721
BaseRepresentation
bin111111111111101…
…1011010001011101
312112122120211101202
41333333123101131
513344204130323
6553024445245
7104133013454
oct17777332135
95478524352
102147333213
11a02128253
124bb179825
13282b5148c
1416528bb9b
15c87b6d28
hex7ffdb45d

2147333213 has 4 divisors (see below), whose sum is σ = 2187848988. Its totient is φ = 2106817440.

The previous prime is 2147333197. The next prime is 2147333323. The reversal of 2147333213 is 3123337412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 735602884 + 1411730329 = 27122^2 + 37573^2 .

It is a cyclic number.

It is not a de Polignac number, because 2147333213 - 24 = 2147333197 is a prime.

It is a super-2 number, since 2×21473332132 = 9222079855305806738, which contains 22 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 (2141333213) 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, 20257808 + ... + 20257913.

It is an arithmetic number, because the mean of its divisors is an integer number (546962247).

Almost surely, 22147333213 is an apocalyptic number.

It is an amenable number.

2147333213 is a deficient number, since it is larger than the sum of its proper divisors (40515775).

2147333213 is an equidigital number, since it uses as much as digits as its factorization.

2147333213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40515774.

The product of its digits is 9072, while the sum is 29.

The square root of 2147333213 is about 46339.3268509589. The cubic root of 2147333213 is about 1290.1290284175.

The spelling of 2147333213 in words is "two billion, one hundred forty-seven million, three hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 53 40515721 2147333213