Base | Representation |
---|---|
bin | 101000111111010111… |
… | …0110100101010101001 |
3 | 22102012122121020012100 |
4 | 1101332232310222221 |
5 | 2420234020040411 |
6 | 104234405004013 |
7 | 6234232553022 |
oct | 1217656645251 |
9 | 272178536170 |
10 | 88025549481 |
11 | 34371145201 |
12 | 150876b3609 |
13 | 83baa5226c |
14 | 43909b3c49 |
15 | 2452d64456 |
hex | 147ebb4aa9 |
88025549481 has 9 divisors (see below), whose sum is σ = 127149301591. Its totient is φ = 58683106272.
The previous prime is 88025549401. The next prime is 88025549519. The reversal of 88025549481 is 18494552088.
The square root of 88025549481 is 296691.
It is a perfect power (a square), and thus also a powerful number.
88025549481 is a `hidden beast` number, since 8 + 8 + 0 + 2 + 554 + 9 + 4 + 81 = 666.
It can be written as a sum of positive squares in only one way, i.e., 41793669225 + 46231880256 = 204435^2 + 215016^2 .
It is a tau number, because it is divible by the number of its divisors (9).
It is not a de Polignac number, because 88025549481 - 211 = 88025547433 is a prime.
It is a super-2 number, since 2×880255494812 (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 (88025549401) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 840625 + ... + 939521.
Almost surely, 288025549481 is an apocalyptic number.
88025549481 is the 296691-st square number.
88025549481 is the 148346-th centered octagonal number.
It is an amenable number.
88025549481 is a deficient number, since it is larger than the sum of its proper divisors (39123752110).
88025549481 is an frugal number, since it uses more digits than its factorization.
88025549481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197800 (or 98900 counting only the distinct ones).
The product of its (nonzero) digits is 3686400, while the sum is 54.
The spelling of 88025549481 in words is "eighty-eight billion, twenty-five million, five hundred forty-nine thousand, four hundred eighty-one".
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