Search a number
-
+
36842899729 is a prime number
BaseRepresentation
bin100010010100000000…
…100000100100010001
310112002122102020002211
4202110000200210101
51100423240242404
624531515112121
72443000323556
oct422400404421
9115078366084
1036842899729
1114696946969
127182742641
133621c843ac
141ad718ca2d
15e5975eb04
hex894020911

36842899729 has 2 divisors, whose sum is σ = 36842899730. Its totient is φ = 36842899728.

The previous prime is 36842899727. The next prime is 36842899741. The reversal of 36842899729 is 92799824863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27602499600 + 9240400129 = 166140^2 + 96127^2 .

It is an emirp because it is prime and its reverse (92799824863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36842899729 - 21 = 36842899727 is a prime.

It is a super-2 number, since 2×368428997292 (a number of 22 digits) contains 22 as substring.

Together with 36842899727, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36842899727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18421449864 + 18421449865.

It is an arithmetic number, because the mean of its divisors is an integer number (18421449865).

Almost surely, 236842899729 is an apocalyptic number.

It is an amenable number.

36842899729 is a deficient number, since it is larger than the sum of its proper divisors (1).

36842899729 is an equidigital number, since it uses as much as digits as its factorization.

36842899729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94058496, while the sum is 67.

The spelling of 36842899729 in words is "thirty-six billion, eight hundred forty-two million, eight hundred ninety-nine thousand, seven hundred twenty-nine".