Base | Representation |
---|---|
bin | 100101011101111110… |
… | …001000000110001001 |
3 | 10211211210020102012021 |
4 | 211131332020012021 |
5 | 1124343201212331 |
6 | 30252035444441 |
7 | 2622653114434 |
oct | 453576100611 |
9 | 124753212167 |
10 | 40231272841 |
11 | 16075560821 |
12 | 7969456721 |
13 | 3a41c68cb6 |
14 | 1d391b081b |
15 | 10a6e6c211 |
hex | 95df88189 |
40231272841 has 2 divisors, whose sum is σ = 40231272842. Its totient is φ = 40231272840.
The previous prime is 40231272839. The next prime is 40231272857. The reversal of 40231272841 is 14827213204.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 34692787600 + 5538485241 = 186260^2 + 74421^2 .
It is a cyclic number.
It is not a de Polignac number, because 40231272841 - 21 = 40231272839 is a prime.
It is a super-2 number, since 2×402312728412 (a number of 22 digits) contains 22 as substring.
Together with 40231272839, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 40231272797 and 40231272806.
It is not a weakly prime, because it can be changed into another prime (40231272041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20115636420 + 20115636421.
It is an arithmetic number, because the mean of its divisors is an integer number (20115636421).
Almost surely, 240231272841 is an apocalyptic number.
It is an amenable number.
40231272841 is a deficient number, since it is larger than the sum of its proper divisors (1).
40231272841 is an equidigital number, since it uses as much as digits as its factorization.
40231272841 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 21504, while the sum is 34.
The spelling of 40231272841 in words is "forty billion, two hundred thirty-one million, two hundred seventy-two thousand, eight hundred forty-one".
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