Base | Representation |
---|---|
bin | 100101010000111101… |
… | …100010011111010101 |
3 | 10211021120112202201102 |
4 | 211100331202133111 |
5 | 1123421312434442 |
6 | 30214241435445 |
7 | 2614363005254 |
oct | 452075423725 |
9 | 124246482642 |
10 | 40013014997 |
11 | 15a7333843a |
12 | 790833bb85 |
13 | 3a0898b547 |
14 | 1d181d879b |
15 | 1092c08232 |
hex | 950f627d5 |
40013014997 has 2 divisors, whose sum is σ = 40013014998. Its totient is φ = 40013014996.
The previous prime is 40013014981. The next prime is 40013014999. The reversal of 40013014997 is 79941031004.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 20932013041 + 19081001956 = 144679^2 + 138134^2 .
It is a cyclic number.
It is not a de Polignac number, because 40013014997 - 24 = 40013014981 is a prime.
Together with 40013014999, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 40013014997.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (40013014999) 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 as a sum of consecutive naturals, namely, 20006507498 + 20006507499.
It is an arithmetic number, because the mean of its divisors is an integer number (20006507499).
Almost surely, 240013014997 is an apocalyptic number.
It is an amenable number.
40013014997 is a deficient number, since it is larger than the sum of its proper divisors (1).
40013014997 is an equidigital number, since it uses as much as digits as its factorization.
40013014997 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 27216, while the sum is 38.
The spelling of 40013014997 in words is "forty billion, thirteen million, fourteen thousand, nine hundred ninety-seven".
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