Base | Representation |
---|---|
bin | 1011001011100001… |
… | …1100101111010111 |
3 | 21202011011211011222 |
4 | 2302320130233113 |
5 | 22121243022411 |
6 | 1213444520555 |
7 | 134241200543 |
oct | 26270345727 |
9 | 7664154158 |
10 | 3001142231 |
11 | 130008063a |
12 | 6b90b015b |
13 | 38a9c4409 |
14 | 206822a23 |
15 | 12871c4db |
hex | b2e1cbd7 |
3001142231 has 4 divisors (see below), whose sum is σ = 3074340864. Its totient is φ = 2927943600.
The previous prime is 3001142197. The next prime is 3001142237. The reversal of 3001142231 is 1322411003.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1322411003 = 53 ⋅24951151.
It is a cyclic number.
It is not a de Polignac number, because 3001142231 - 26 = 3001142167 is a prime.
It is a super-2 number, since 2×30011422312 = 18013709381383314722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3001142237) 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, 36599255 + ... + 36599336.
It is an arithmetic number, because the mean of its divisors is an integer number (768585216).
Almost surely, 23001142231 is an apocalyptic number.
3001142231 is a deficient number, since it is larger than the sum of its proper divisors (73198633).
3001142231 is an equidigital number, since it uses as much as digits as its factorization.
3001142231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73198632.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 3001142231 is about 54782.6818529360. The cubic root of 3001142231 is about 1442.4325895448.
Adding to 3001142231 its reverse (1322411003), we get a palindrome (4323553234).
The spelling of 3001142231 in words is "three billion, one million, one hundred forty-two thousand, two hundred thirty-one".
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