Base | Representation |
---|---|
bin | 111001110110100… |
… | …1001001010000111 |
3 | 12000021201212202120 |
4 | 1303231021022013 |
5 | 12433422320311 |
6 | 520342541023 |
7 | 66051021354 |
oct | 16355111207 |
9 | 5007655676 |
10 | 1941213831 |
11 | 906845757 |
12 | 462137773 |
13 | 24c233a4b |
14 | 145b5562b |
15 | b564e706 |
hex | 73b49287 |
1941213831 has 16 divisors (see below), whose sum is σ = 2812400640. Its totient is φ = 1186479360.
The previous prime is 1941213829. The next prime is 1941213853. The reversal of 1941213831 is 1383121491.
1941213831 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1941213831 - 21 = 1941213829 is a prime.
It is a super-2 number, since 2×19412138312 = 7536622275331393122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1941213792 and 1941213801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1941213931) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547530 + ... + 551063.
It is an arithmetic number, because the mean of its divisors is an integer number (175775040).
Almost surely, 21941213831 is an apocalyptic number.
1941213831 is a deficient number, since it is larger than the sum of its proper divisors (871186809).
1941213831 is a wasteful number, since it uses less digits than its factorization.
1941213831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1098646.
The product of its digits is 5184, while the sum is 33.
The square root of 1941213831 is about 44059.2082429996. The cubic root of 1941213831 is about 1247.4537674951.
The spelling of 1941213831 in words is "one billion, nine hundred forty-one million, two hundred thirteen thousand, eight hundred thirty-one".
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