Base | Representation |
---|---|
bin | 111001110101111… |
… | …1000001001101111 |
3 | 12000021010000121200 |
4 | 1303223320021233 |
5 | 12433331211111 |
6 | 520331500543 |
7 | 66045140124 |
oct | 16353701157 |
9 | 5007100550 |
10 | 1940882031 |
11 | 906639440 |
12 | 461bb7753 |
13 | 24c148a0a |
14 | 145aaa74b |
15 | b55d6256 |
hex | 73af826f |
1940882031 has 12 divisors (see below), whose sum is σ = 3058359720. Its totient is φ = 1176292080.
The previous prime is 1940882029. The next prime is 1940882039. The reversal of 1940882031 is 1302880491.
It is not a de Polignac number, because 1940882031 - 21 = 1940882029 is a prime.
It is a super-2 number, since 2×19408820312 = 7534046116517369922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1940882039) 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 11 ways as a sum of consecutive naturals, for example, 9802336 + ... + 9802533.
It is an arithmetic number, because the mean of its divisors is an integer number (254863310).
Almost surely, 21940882031 is an apocalyptic number.
1940882031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1940882031 is a deficient number, since it is larger than the sum of its proper divisors (1117477689).
1940882031 is a wasteful number, since it uses less digits than its factorization.
1940882031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19604886 (or 19604883 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 1940882031 is about 44055.4426944050. The cubic root of 1940882031 is about 1247.3826901898.
The spelling of 1940882031 in words is "one billion, nine hundred forty million, eight hundred eighty-two thousand, thirty-one".
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