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203012123233 = 376953863657
BaseRepresentation
bin1011110100010001110…
…1110010101001100001
3201102000021010101210011
42331010131302221201
511311232100420413
6233132410204521
720444554401253
oct2750435625141
9642007111704
10203012123233
1179108061a47
1233418423741
13161b438980a
149b7c161cd3
155432b1033d
hex2f44772a61

203012123233 has 4 divisors (see below), whose sum is σ = 203065990660. Its totient is φ = 202958255808.

The previous prime is 203012123227. The next prime is 203012123243. The reversal of 203012123233 is 332321210302.

203012123233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129821854864 + 73190268369 = 360308^2 + 270537^2 .

It is a cyclic number.

It is not a de Polignac number, because 203012123233 - 25 = 203012123201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203012123243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26928060 + ... + 26935597.

It is an arithmetic number, because the mean of its divisors is an integer number (50766497665).

Almost surely, 2203012123233 is an apocalyptic number.

It is an amenable number.

203012123233 is a deficient number, since it is larger than the sum of its proper divisors (53867427).

203012123233 is an equidigital number, since it uses as much as digits as its factorization.

203012123233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53867426.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 203012123233 its reverse (332321210302), we get a palindrome (535333333535).

The spelling of 203012123233 in words is "two hundred three billion, twelve million, one hundred twenty-three thousand, two hundred thirty-three".

Divisors: 1 3769 53863657 203012123233