Search a number
-
+
99888537937 is a prime number
BaseRepresentation
bin101110100000111010…
…0100010000101010001
3100112211101220111001011
41131001310202011101
53114032431203222
6113515502010521
710134221364136
oct1350164420521
9315741814034
1099888537937
11393a9525aa1
1217438576a41
13955b6b4a66
144b9832858d
1528e956dc77
hex1741d22151

99888537937 has 2 divisors, whose sum is σ = 99888537938. Its totient is φ = 99888537936.

The previous prime is 99888537883. The next prime is 99888537941. The reversal of 99888537937 is 73973588899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59473064641 + 40415473296 = 243871^2 + 201036^2 .

It is a cyclic number.

It is not a de Polignac number, because 99888537937 - 211 = 99888535889 is a prime.

It is a super-2 number, since 2×998885379372 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99888537977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49944268968 + 49944268969.

It is an arithmetic number, because the mean of its divisors is an integer number (49944268969).

Almost surely, 299888537937 is an apocalyptic number.

It is an amenable number.

99888537937 is a deficient number, since it is larger than the sum of its proper divisors (1).

99888537937 is an equidigital number, since it uses as much as digits as its factorization.

99888537937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 823011840, while the sum is 76.

The spelling of 99888537937 in words is "ninety-nine billion, eight hundred eighty-eight million, five hundred thirty-seven thousand, nine hundred thirty-seven".