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1123203133 = 13473675009
BaseRepresentation
bin100001011110010…
…1011100000111101
32220021111122001001
41002330223200331
54300020000013
6303242050301
736556032463
oct10274534075
92807448031
101123203133
11527023158
122741a9991
1314b916050
14a925c833
156891addd
hex42f2b83d

1123203133 has 16 divisors (see below), whose sum is σ = 1238952960. Its totient is φ = 1011776256.

The previous prime is 1123203127. The next prime is 1123203149. The reversal of 1123203133 is 3313023211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1123203133 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 1123203133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123203233) 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, 221733 + ... + 226741.

It is an arithmetic number, because the mean of its divisors is an integer number (77434560).

Almost surely, 21123203133 is an apocalyptic number.

1123203133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1123203133 is a deficient number, since it is larger than the sum of its proper divisors (115749827).

1123203133 is a wasteful number, since it uses less digits than its factorization.

1123203133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5436.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1123203133 is about 33514.2228464275. Note that the first 3 decimals coincide. The cubic root of 1123203133 is about 1039.4878929064.

Adding to 1123203133 its reverse (3313023211), we get a palindrome (4436226344).

The spelling of 1123203133 in words is "one billion, one hundred twenty-three million, two hundred three thousand, one hundred thirty-three".

Divisors: 1 13 47 367 611 4771 5009 17249 65117 224237 235423 1838303 3060499 23897939 86400241 1123203133