Base | Representation |
---|---|
bin | 101000101000010001… |
… | …0010101111011100100 |
3 | 22100012122020221202011 |
4 | 1101100202111323210 |
5 | 2412142113312144 |
6 | 104025441324004 |
7 | 6206102143102 |
oct | 1212042257344 |
9 | 270178227664 |
10 | 87250525924 |
11 | 34003713571 |
12 | 14ab0036604 |
13 | 82c6305943 |
14 | 4319aaac72 |
15 | 2409cc2a34 |
hex | 1450895ee4 |
87250525924 has 27 divisors (see below), whose sum is σ = 154169559817. Its totient is φ = 43206115904.
The previous prime is 87250525903. The next prime is 87250525933. The reversal of 87250525924 is 42952505278.
The square root of 87250525924 is 295382.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 1537424100 + 85713101824 = 39210^2 + 292768^2 .
It is a super-2 number, since 2×872505259242 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 66755679 + ... + 66756985.
Almost surely, 287250525924 is an apocalyptic number.
87250525924 is the 295382-nd square number.
It is an amenable number.
87250525924 is a deficient number, since it is larger than the sum of its proper divisors (66919033893).
87250525924 is an equidigital number, since it uses as much as digits as its factorization.
87250525924 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2844 (or 1422 counting only the distinct ones).
The product of its (nonzero) digits is 2016000, while the sum is 49.
Multiplying 87250525924 by its sum of digits (49), we get a square (4275275770276 = 20676742).
The spelling of 87250525924 in words is "eighty-seven billion, two hundred fifty million, five hundred twenty-five thousand, nine hundred twenty-four".
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