Base | Representation |
---|---|
bin | 11011110001101… |
… | …11101110100011 |
3 | 121020110020112221 |
4 | 31320313232203 |
5 | 434122342011 |
6 | 35042131511 |
7 | 5526366442 |
oct | 1570675643 |
9 | 536406487 |
10 | 233012131 |
11 | 10a590510 |
12 | 66050b97 |
13 | 39375301 |
14 | 22d36d59 |
15 | 156ca971 |
hex | de37ba3 |
233012131 has 32 divisors (see below), whose sum is σ = 269554176. Its totient is φ = 199584000.
The previous prime is 233012119. The next prime is 233012137. The reversal of 233012131 is 131210332.
It is not a de Polignac number, because 233012131 - 29 = 233011619 is a prime.
It is a super-3 number, since 3×2330121313 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (233012137) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3191911 + ... + 3191983.
It is an arithmetic number, because the mean of its divisors is an integer number (8423568).
Almost surely, 2233012131 is an apocalyptic number.
233012131 is a deficient number, since it is larger than the sum of its proper divisors (36542045).
233012131 is a wasteful number, since it uses less digits than its factorization.
233012131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 233012131 is about 15264.7348814187. The cubic root of 233012131 is about 615.3556283650.
Adding to 233012131 its reverse (131210332), we get a palindrome (364222463).
The spelling of 233012131 in words is "two hundred thirty-three million, twelve thousand, one hundred thirty-one".
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