Base | Representation |
---|---|
bin | 1000010001100011… |
… | …01100100010110011 |
3 | 102110120210210000001 |
4 | 10020301230202303 |
5 | 33044201300111 |
6 | 2012444010431 |
7 | 215040116641 |
oct | 41061544263 |
9 | 12416723001 |
10 | 4442212531 |
11 | 197a571029 |
12 | a3b830a17 |
13 | 55a422933 |
14 | 301d86191 |
15 | 1aeec61c1 |
hex | 108c6c8b3 |
4442212531 has 4 divisors (see below), whose sum is σ = 4485340912. Its totient is φ = 4399084152.
The previous prime is 4442212519. The next prime is 4442212553. The reversal of 4442212531 is 1352122444.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 4442212531 - 25 = 4442212499 is a prime.
It is a super-2 number, since 2×44422125312 = 39466504341146851922, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 4442212531.
It is not an unprimeable number, because it can be changed into a prime (4442212231) 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, 21564036 + ... + 21564241.
It is an arithmetic number, because the mean of its divisors is an integer number (1121335228).
Almost surely, 24442212531 is an apocalyptic number.
4442212531 is a deficient number, since it is larger than the sum of its proper divisors (43128381).
4442212531 is a wasteful number, since it uses less digits than its factorization.
4442212531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43128380.
The product of its digits is 7680, while the sum is 28.
The square root of 4442212531 is about 66649.9252137615. The cubic root of 4442212531 is about 1643.8661182100.
Adding to 4442212531 its reverse (1352122444), we get a palindrome (5794334975).
It can be divided in two parts, 44422 and 12531, that added together give a triangular number (56953 = T337).
The spelling of 4442212531 in words is "four billion, four hundred forty-two million, two hundred twelve thousand, five hundred thirty-one".
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