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2133103211 = 31574911969
BaseRepresentation
bin111111100100100…
…1001001001101011
312111122210212111122
41333021021021223
513332033300321
6551355445455
7103601035541
oct17711111153
95448725448
102133103211
119a5099018
124b645688b
1327cc0b465
14163425d91
15c74058ab
hex7f24926b

2133103211 has 8 divisors (see below), whose sum is σ = 2202480000. Its totient is φ = 2063761920.

The previous prime is 2133103201. The next prime is 2133103213. The reversal of 2133103211 is 1123013312.

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 2133103211 - 210 = 2133102187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2133103211.

It is not an unprimeable number, because it can be changed into a prime (2133103213) 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 7 ways as a sum of consecutive naturals, for example, 172235 + ... + 184203.

It is an arithmetic number, because the mean of its divisors is an integer number (275310000).

Almost surely, 22133103211 is an apocalyptic number.

2133103211 is a deficient number, since it is larger than the sum of its proper divisors (69376789).

2133103211 is a wasteful number, since it uses less digits than its factorization.

2133103211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17749.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2133103211 is about 46185.5303206535. The cubic root of 2133103211 is about 1287.2728901701.

Adding to 2133103211 its reverse (1123013312), we get a palindrome (3256116523).

The spelling of 2133103211 in words is "two billion, one hundred thirty-three million, one hundred three thousand, two hundred eleven".

Divisors: 1 31 5749 11969 178219 371039 68809781 2133103211