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2133855361 = 11928320897
BaseRepresentation
bin111111100110000…
…0000110010000001
312111201020002021001
41333030000302001
513332231332421
6551423532001
7103610320441
oct17714006201
95451202231
102133855361
119a5562130
124b675a001
13280112911
14163580121
15c7503691
hex7f300c81

2133855361 has 8 divisors (see below), whose sum is σ = 2328204384. Its totient is φ = 1939566720.

The previous prime is 2133855307. The next prime is 2133855389. The reversal of 2133855361 is 1635583312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2133855361 - 213 = 2133847169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2133855361.

It is not an unprimeable number, because it can be changed into a prime (2133855961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91665 + ... + 112561.

It is an arithmetic number, because the mean of its divisors is an integer number (291025548).

Almost surely, 22133855361 is an apocalyptic number.

It is an amenable number.

2133855361 is a deficient number, since it is larger than the sum of its proper divisors (194349023).

2133855361 is a wasteful number, since it uses less digits than its factorization.

2133855361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30191.

The product of its digits is 64800, while the sum is 37.

The square root of 2133855361 is about 46193.6723047649. The cubic root of 2133855361 is about 1287.4241734462.

The spelling of 2133855361 in words is "two billion, one hundred thirty-three million, eight hundred fifty-five thousand, three hundred sixty-one".

Divisors: 1 11 9283 20897 102113 229867 193986851 2133855361