Base | Representation |
---|---|
bin | 101001000110111110… |
… | …0110111010101000001 |
3 | 22102212110001210200021 |
4 | 1102031330313111001 |
5 | 2421244401414031 |
6 | 104320005453441 |
7 | 6243453113041 |
oct | 1221574672501 |
9 | 272773053607 |
10 | 88280888641 |
11 | 34492295300 |
12 | 15139111281 |
13 | 842b913c1a |
14 | 43b687d721 |
15 | 246a4a0511 |
hex | 148df37541 |
88280888641 has 9 divisors (see below), whose sum is σ = 97039610689. Its totient is φ = 80252382100.
The previous prime is 88280888623. The next prime is 88280888651. The reversal of 88280888641 is 14688808288.
The square root of 88280888641 is 297121.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 88280888641 - 25 = 88280888609 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 88280888641.
It is not an unprimeable number, because it can be changed into a prime (88280888651) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3254826 + ... + 3281836.
Almost surely, 288280888641 is an apocalyptic number.
88280888641 is the 297121-st square number.
88280888641 is the 148561-st centered octagonal number.
It is an amenable number.
88280888641 is a deficient number, since it is larger than the sum of its proper divisors (8758722048).
88280888641 is an frugal number, since it uses more digits than its factorization.
88280888641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54044 (or 27022 counting only the distinct ones).
The product of its (nonzero) digits is 12582912, while the sum is 61.
The spelling of 88280888641 in words is "eighty-eight billion, two hundred eighty million, eight hundred eighty-eight thousand, six hundred forty-one".
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