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2213125233 = 31167064401
BaseRepresentation
bin1000001111101001…
…1001110001110001
312201020101102002020
42003322121301301
514013030001413
61003334542053
7105562153104
oct20372316161
95636342066
102213125233
11a36284820
12519207929
13293678877
1416dcd673b
15ce460c23
hex83e99c71

2213125233 has 8 divisors (see below), whose sum is σ = 3219091296. Its totient is φ = 1341288000.

The previous prime is 2213125199. The next prime is 2213125253. The reversal of 2213125233 is 3325213122.

It is a happy number.

2213125233 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2213125233 - 212 = 2213121137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2213125253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33532168 + ... + 33532233.

It is an arithmetic number, because the mean of its divisors is an integer number (402386412).

Almost surely, 22213125233 is an apocalyptic number.

It is an amenable number.

2213125233 is a deficient number, since it is larger than the sum of its proper divisors (1005966063).

2213125233 is a wasteful number, since it uses less digits than its factorization.

2213125233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67064415.

The product of its digits is 2160, while the sum is 24.

The square root of 2213125233 is about 47043.8649879025. The cubic root of 2213125233 is about 1303.1727695938.

Adding to 2213125233 its reverse (3325213122), we get a palindrome (5538338355).

The spelling of 2213125233 in words is "two billion, two hundred thirteen million, one hundred twenty-five thousand, two hundred thirty-three".

Divisors: 1 3 11 33 67064401 201193203 737708411 2213125233