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40013014997 is a prime number
BaseRepresentation
bin100101010000111101…
…100010011111010101
310211021120112202201102
4211100331202133111
51123421312434442
630214241435445
72614363005254
oct452075423725
9124246482642
1040013014997
1115a7333843a
12790833bb85
133a0898b547
141d181d879b
151092c08232
hex950f627d5

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".