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2230203213 = 3574330491
BaseRepresentation
bin1000010011101110…
…0011001101001101
312202102112001200000
42010323203031031
514031413000323
61005144554513
7106160262120
oct20473431515
95672461600
102230203213
11a44989757
12522a82a39
13297077c94
141722a03b7
15d0bd5e43
hex84ee334d

2230203213 has 48 divisors (see below), whose sum is σ = 3906878976. Its totient is φ = 1244723760.

The previous prime is 2230203203. The next prime is 2230203229. The reversal of 2230203213 is 3123020322.

It is a happy number.

2230203213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2230203213 - 24 = 2230203197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230203203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57898 + ... + 88388.

It is an arithmetic number, because the mean of its divisors is an integer number (81393312).

Almost surely, 22230203213 is an apocalyptic number.

It is an amenable number.

2230203213 is a deficient number, since it is larger than the sum of its proper divisors (1676675763).

2230203213 is an equidigital number, since it uses as much as digits as its factorization.

2230203213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30556 (or 30544 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2230203213 is about 47225.0274007332. The cubic root of 2230203213 is about 1306.5162400224.

Adding to 2230203213 its reverse (3123020322), we get a palindrome (5353223535).

The spelling of 2230203213 in words is "two billion, two hundred thirty million, two hundred three thousand, two hundred thirteen".

Divisors: 1 3 7 9 21 27 43 63 81 129 189 243 301 387 567 903 1161 1701 2709 3483 8127 10449 24381 30491 73143 91473 213437 274419 640311 823257 1311113 1920933 2469771 3933339 5762799 7409313 9177791 11800017 17288397 27533373 35400051 51865191 82600119 106200153 247800357 318600459 743401071 2230203213