Base | Representation |
---|---|
bin | 1000010011111101… |
… | …1110011000011110 |
3 | 12202111110022221100 |
4 | 2010333132120132 |
5 | 14032143411110 |
6 | 1005223013530 |
7 | 106202105436 |
oct | 20477363036 |
9 | 5674408840 |
10 | 2231232030 |
11 | a45521715 |
12 | 52329a2a6 |
13 | 297348351 |
14 | 17248b2c6 |
15 | d0d3abc0 |
hex | 84fde61e |
2231232030 has 24 divisors (see below), whose sum is σ = 5801203512. Its totient is φ = 594995184.
The previous prime is 2231232023. The next prime is 2231232083. The reversal of 2231232030 is 302321322.
It is a happy number.
2231232030 is a `hidden beast` number, since 2 + 2 + 312 + 320 + 30 = 666.
It is a super-3 number, since 3×22312320303 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2231231994 and 2231232012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12395644 + ... + 12395823.
It is an arithmetic number, because the mean of its divisors is an integer number (241716813).
Almost surely, 22231232030 is an apocalyptic number.
2231232030 is an abundant number, since it is smaller than the sum of its proper divisors (3569971482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231232030 is a wasteful number, since it uses less digits than its factorization.
2231232030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24791480 (or 24791477 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 2231232030 is about 47235.9188541940. The cubic root of 2231232030 is about 1306.7171125215.
Adding to 2231232030 its reverse (302321322), we get a palindrome (2533553352).
The spelling of 2231232030 in words is "two billion, two hundred thirty-one million, two hundred thirty-two thousand, thirty".
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