Base | Representation |
---|---|
bin | 101000011110000110… |
… | …0010111110110001001 |
3 | 22022022212000221011111 |
4 | 1100330030113312021 |
5 | 2410442230103111 |
6 | 103531530130321 |
7 | 6164456125540 |
oct | 1207414276611 |
9 | 268285027144 |
10 | 86909222281 |
11 | 33948a99042 |
12 | 14a158809a1 |
13 | 82706a5b1b |
14 | 42c6625157 |
15 | 23d9d55a21 |
hex | 143c317d89 |
86909222281 has 16 divisors (see below), whose sum is σ = 105186681216. Its totient is φ = 70098829056.
The previous prime is 86909222273. The next prime is 86909222299. The reversal of 86909222281 is 18222290968.
It is a cyclic number.
It is not a de Polignac number, because 86909222281 - 23 = 86909222273 is a prime.
It is a super-2 number, since 2×869092222812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (86909222201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616450 + ... + 744196.
It is an arithmetic number, because the mean of its divisors is an integer number (6574167576).
Almost surely, 286909222281 is an apocalyptic number.
It is an amenable number.
86909222281 is a deficient number, since it is larger than the sum of its proper divisors (18277458935).
86909222281 is a wasteful number, since it uses less digits than its factorization.
86909222281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133488.
The product of its (nonzero) digits is 497664, while the sum is 49.
The spelling of 86909222281 in words is "eighty-six billion, nine hundred nine million, two hundred twenty-two thousand, two hundred eighty-one".
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