Base | Representation |
---|---|
bin | 1110111001111100… |
… | …0110011011110111 |
3 | 101022211211110211120 |
4 | 3232133012123313 |
5 | 31143242131411 |
6 | 1501010035023 |
7 | 201103021500 |
oct | 35637063367 |
9 | 11284743746 |
10 | 4001130231 |
11 | 17735963aa |
12 | 937b78a73 |
13 | 4b9c28ca7 |
14 | 29d569ba7 |
15 | 1863ea106 |
hex | ee7c66f7 |
4001130231 has 24 divisors (see below), whose sum is σ = 6209486064. Its totient is φ = 2285015040.
The previous prime is 4001130229. The next prime is 4001130241. The reversal of 4001130231 is 1320311004.
It is not a de Polignac number, because 4001130231 - 21 = 4001130229 is a prime.
It is a super-2 number, since 2×40011302312 = 32018086250844226722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 4001130231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4001130241) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277111 + ... + 291191.
It is an arithmetic number, because the mean of its divisors is an integer number (258728586).
Almost surely, 24001130231 is an apocalyptic number.
4001130231 is a deficient number, since it is larger than the sum of its proper divisors (2208355833).
4001130231 is a wasteful number, since it uses less digits than its factorization.
4001130231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16031 (or 16024 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 4001130231 is about 63254.4878328803. The cubic root of 4001130231 is about 1587.5505487118.
Adding to 4001130231 its reverse (1320311004), we get a palindrome (5321441235).
The spelling of 4001130231 in words is "four billion, one million, one hundred thirty thousand, two hundred thirty-one".
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