Base | Representation |
---|---|
bin | 101001000110101111… |
… | …1110110100011010001 |
3 | 22102211220202102002021 |
4 | 1102031133312203101 |
5 | 2421240430031111 |
6 | 104315134451441 |
7 | 6243331346011 |
oct | 1221537664321 |
9 | 272756672067 |
10 | 88273283281 |
11 | 34488a70287 |
12 | 15136663b81 |
13 | 842a180301 |
14 | 43b585dc41 |
15 | 246999bd71 |
hex | 148d7f68d1 |
88273283281 has 8 divisors (see below), whose sum is σ = 90672336104. Its totient is φ = 85874929920.
The previous prime is 88273283141. The next prime is 88273283303. The reversal of 88273283281 is 18238237288.
It can be written as a sum of positive squares in 4 ways, for example, as 62827929025 + 25445354256 = 250655^2 + 159516^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a 4-Lehmer number, since φ(88273283281) divides (88273283281-1)4.
It is a cyclic number.
It is not a de Polignac number, because 88273283281 - 211 = 88273281233 is a prime.
It is a super-2 number, since 2×882732832812 (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 (88273283981) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86191 + ... + 428923.
It is an arithmetic number, because the mean of its divisors is an integer number (11334042013).
Almost surely, 288273283281 is an apocalyptic number.
88273283281 is the 171536-th hex number.
It is an amenable number.
88273283281 is a deficient number, since it is larger than the sum of its proper divisors (2399052823).
88273283281 is a wasteful number, since it uses less digits than its factorization.
88273283281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349731.
The product of its digits is 2064384, while the sum is 52.
The spelling of 88273283281 in words is "eighty-eight billion, two hundred seventy-three million, two hundred eighty-three thousand, two hundred eighty-one".
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