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2231133112 = 231321453203
BaseRepresentation
bin1000010011111100…
…0110001110111000
312202111021022020201
42010333012032320
514032132224422
61005220531544
7106201214155
oct20477061670
95674238221
102231133112
11a4546436a
12523250bb4
13297312310
1417246322c
15d0d1b727
hex84fc63b8

2231133112 has 16 divisors (see below), whose sum is σ = 4505172840. Its totient is φ = 1029753696.

The previous prime is 2231133097. The next prime is 2231133119. The reversal of 2231133112 is 2113311322.

2231133112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×22311331123 (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231133112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231133119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10726498 + ... + 10726705.

Almost surely, 22231133112 is an apocalyptic number.

It is an amenable number.

2231133112 is an abundant number, since it is smaller than the sum of its proper divisors (2274039728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231133112 is a wasteful number, since it uses less digits than its factorization.

2231133112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21453222 (or 21453218 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 2231133112 is about 47234.8717792268. The cubic root of 2231133112 is about 1306.6978018519.

Adding to 2231133112 its reverse (2113311322), we get a palindrome (4344444434).

The spelling of 2231133112 in words is "two billion, two hundred thirty-one million, one hundred thirty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 21453203 42906406 85812812 171625624 278891639 557783278 1115566556 2231133112