Base | Representation |
---|---|
bin | 100010000010011… |
… | …1011010111101001 |
3 | 2221121010211212220 |
4 | 1010010323113221 |
5 | 4314342024231 |
6 | 305200024253 |
7 | 40206023226 |
oct | 10404732751 |
9 | 2847124786 |
10 | 1142142441 |
11 | 536789580 |
12 | 27a602089 |
13 | 15281773b |
14 | ab98c94d |
15 | 6a40c896 |
hex | 4413b5e9 |
1142142441 has 64 divisors (see below), whose sum is σ = 1793581056. Its totient is φ = 639584000.
The previous prime is 1142142427. The next prime is 1142142493. The reversal of 1142142441 is 1442412411.
It is not a de Polignac number, because 1142142441 - 26 = 1142142377 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1142142241) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3602815 + ... + 3603131.
It is an arithmetic number, because the mean of its divisors is an integer number (28024704).
Almost surely, 21142142441 is an apocalyptic number.
1142142441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1142142441 is a deficient number, since it is larger than the sum of its proper divisors (651438615).
1142142441 is a wasteful number, since it uses less digits than its factorization.
1142142441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 502.
The product of its digits is 1024, while the sum is 24.
The square root of 1142142441 is about 33795.5979529879. The cubic root of 1142142441 is about 1045.2979289869.
Adding to 1142142441 its reverse (1442412411), we get a palindrome (2584554852).
The spelling of 1142142441 in words is "one billion, one hundred forty-two million, one hundred forty-two thousand, four hundred forty-one".
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