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2135312049 = 313193283687
BaseRepresentation
bin111111101000110…
…0100011010110001
312111210222002110110
41333101210122301
513333114441144
6551515051533
7103625565363
oct17721443261
95453862413
102135312049
119a6367602
124b7140ba9
13280502970
1416383cd33
15c76e00b9
hex7f4646b1

2135312049 has 16 divisors (see below), whose sum is σ = 3081986432. Its totient is φ = 1307225088.

The previous prime is 2135312041. The next prime is 2135312077. The reversal of 2135312049 is 9402135312.

It is not a de Polignac number, because 2135312049 - 23 = 2135312041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2135312041) 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, 134317 + ... + 149370.

It is an arithmetic number, because the mean of its divisors is an integer number (192624152).

Almost surely, 22135312049 is an apocalyptic number.

It is an amenable number.

2135312049 is a deficient number, since it is larger than the sum of its proper divisors (946674383).

2135312049 is a wasteful number, since it uses less digits than its factorization.

2135312049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283896.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2135312049 is about 46209.4367959619. The cubic root of 2135312049 is about 1287.7170625200.

The spelling of 2135312049 in words is "two billion, one hundred thirty-five million, three hundred twelve thousand, forty-nine".

Divisors: 1 3 13 39 193 579 2509 7527 283687 851061 3687931 11063793 54751591 164254773 711770683 2135312049