Search a number
-
+
80085037338989 is a prime number
BaseRepresentation
bin10010001101011001000000…
…001100111101000101101101
3101111120001110221121102122122
4102031121000030331011231
540444103124024321424
6442154320325522325
722603644611432414
oct2215310014750555
9344501427542578
1080085037338989
11235769678465a1
128b95024b733a5
13358bca979a197
1415ac1ca75047b
1593d2e028745e
hex48d64033d16d

80085037338989 has 2 divisors, whose sum is σ = 80085037338990. Its totient is φ = 80085037338988.

The previous prime is 80085037338941. The next prime is 80085037339033. The reversal of 80085037338989 is 98983373058008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48436728122500 + 31648309216489 = 6959650^2 + 5625683^2 .

It is a cyclic number.

It is not a de Polignac number, because 80085037338989 - 224 = 80085020561773 is a prime.

It is a super-2 number, since 2×800850373389892 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80085037338589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40042518669494 + 40042518669495.

It is an arithmetic number, because the mean of its divisors is an integer number (40042518669495).

Almost surely, 280085037338989 is an apocalyptic number.

It is an amenable number.

80085037338989 is a deficient number, since it is larger than the sum of its proper divisors (1).

80085037338989 is an equidigital number, since it uses as much as digits as its factorization.

80085037338989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 313528320, while the sum is 71.

The spelling of 80085037338989 in words is "eighty trillion, eighty-five billion, thirty-seven million, three hundred thirty-eight thousand, nine hundred eighty-nine".