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2155034313 = 321092239851
BaseRepresentation
bin1000000001110011…
…0011011011001001
312120012002002022200
42000130303123021
513403142044223
6553501510413
7104255326605
oct20034633311
95505062280
102155034313
11a065081a3
12501872409
13284619843
141662d4505
15c92d8a43
hex807336c9

2155034313 has 24 divisors (see below), whose sum is σ = 3155792640. Its totient is φ = 1416981600.

The previous prime is 2155034309. The next prime is 2155034317. The reversal of 2155034313 is 3134305512.

It is an interprime number because it is at equal distance from previous prime (2155034309) and next prime (2155034317).

It is not a de Polignac number, because 2155034313 - 22 = 2155034309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2155034317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213838 + ... + 223688.

It is an arithmetic number, because the mean of its divisors is an integer number (131491360).

Almost surely, 22155034313 is an apocalyptic number.

It is an amenable number.

2155034313 is a deficient number, since it is larger than the sum of its proper divisors (1000758327).

2155034313 is a wasteful number, since it uses less digits than its factorization.

2155034313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10189 (or 10186 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 2155034313 is about 46422.3471293729. The cubic root of 2155034313 is about 1291.6694754089.

Adding to 2155034313 its reverse (3134305512), we get a palindrome (5289339825).

The spelling of 2155034313 in words is "two billion, one hundred fifty-five million, thirty-four thousand, three hundred thirteen".

Divisors: 1 3 9 109 223 327 669 981 2007 9851 24307 29553 72921 88659 218763 1073759 2196773 3221277 6590319 9663831 19770957 239448257 718344771 2155034313