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2133021233 = 7838874139
BaseRepresentation
bin111111100100011…
…0101001000110001
312111122122201001102
41333020311020301
513332023134413
6551354014145
7103600244540
oct17710651061
95448581042
102133021233
119a5042472
124b6417355
1327cbb0055
14163404157
15c73db458
hex7f235231

2133021233 has 16 divisors (see below), whose sum is σ = 2470487040. Its totient is φ = 1803803856.

The previous prime is 2133021223. The next prime is 2133021239. The reversal of 2133021233 is 3321203312.

It is a cyclic number.

It is not a de Polignac number, because 2133021233 - 26 = 2133021169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2133021239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513278 + ... + 517416.

It is an arithmetic number, because the mean of its divisors is an integer number (154405440).

Almost surely, 22133021233 is an apocalyptic number.

It is an amenable number.

2133021233 is a deficient number, since it is larger than the sum of its proper divisors (337465807).

2133021233 is an equidigital number, since it uses as much as digits as its factorization.

2133021233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2133021233 is about 46184.6428263768. The cubic root of 2133021233 is about 1287.2563994212.

Adding to 2133021233 its reverse (3321203312), we get a palindrome (5454224545).

The spelling of 2133021233 in words is "two billion, one hundred thirty-three million, twenty-one thousand, two hundred thirty-three".

Divisors: 1 7 83 581 887 4139 6209 28973 73621 343537 515347 2404759 3671293 25699051 304717319 2133021233