Base | Representation |
---|---|
bin | 10010001101011001000000… |
… | …001100111101000101101101 |
3 | 101111120001110221121102122122 |
4 | 102031121000030331011231 |
5 | 40444103124024321424 |
6 | 442154320325522325 |
7 | 22603644611432414 |
oct | 2215310014750555 |
9 | 344501427542578 |
10 | 80085037338989 |
11 | 235769678465a1 |
12 | 8b95024b733a5 |
13 | 358bca979a197 |
14 | 15ac1ca75047b |
15 | 93d2e028745e |
hex | 48d64033d16d |
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".
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