Base | Representation |
---|---|
bin | 10010011111010110000011… |
… | …100111100110001001111010 |
3 | 101122221000002122220021121002 |
4 | 102133112003213212021322 |
5 | 41124311422421312422 |
6 | 444541204012045002 |
7 | 23062043160211511 |
oct | 2237260347461172 |
9 | 348830078807532 |
10 | 81318824010362 |
11 | 23a021351a3994 |
12 | 9154171763762 |
13 | 364b441ac8713 |
14 | 1611bd0185678 |
15 | 960451233692 |
hex | 49f5839e627a |
81318824010362 has 16 divisors (see below), whose sum is σ = 128047136774400. Its totient is φ = 38680905897120.
The previous prime is 81318824010353. The next prime is 81318824010407. The reversal of 81318824010362 is 26301042881318.
It is a super-2 number, since 2×813188240103622 (a number of 29 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11115199187 + ... + 11115206502.
It is an arithmetic number, because the mean of its divisors is an integer number (8002946048400).
Almost surely, 281318824010362 is an apocalyptic number.
81318824010362 is a deficient number, since it is larger than the sum of its proper divisors (46728312764038).
81318824010362 is a wasteful number, since it uses less digits than its factorization.
81318824010362 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22230405781.
The product of its (nonzero) digits is 442368, while the sum is 47.
The spelling of 81318824010362 in words is "eighty-one trillion, three hundred eighteen billion, eight hundred twenty-four million, ten thousand, three hundred sixty-two".
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