Base | Representation |
---|---|
bin | 1110110000101111… |
… | …10010011100101000 |
3 | 202110022102212120201 |
4 | 13120113302130220 |
5 | 112212310110041 |
6 | 3350222001544 |
7 | 400251041014 |
oct | 73027623450 |
9 | 22408385521 |
10 | 7925081896 |
11 | 33a7558366 |
12 | 16521162b4 |
13 | 993b71b94 |
14 | 552765544 |
15 | 315b4c631 |
hex | 1d85f2728 |
7925081896 has 32 divisors (see below), whose sum is σ = 15910425000. Its totient is φ = 3687540736.
The previous prime is 7925081867. The next prime is 7925081897. The reversal of 7925081896 is 6981805297.
It can be written as a sum of positive squares in 4 ways, for example, as 7812084996 + 112996900 = 88386^2 + 10630^2 .
It is not an unprimeable number, because it can be changed into a prime (7925081897) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315271 + ... + 339478.
Almost surely, 27925081896 is an apocalyptic number.
It is an amenable number.
7925081896 is an abundant number, since it is smaller than the sum of its proper divisors (7985343104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7925081896 is a wasteful number, since it uses less digits than its factorization.
7925081896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 654861 (or 654857 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 55.
The square root of 7925081896 is about 89022.9290463979. The cubic root of 7925081896 is about 1993.7372340178.
The spelling of 7925081896 in words is "seven billion, nine hundred twenty-five million, eighty-one thousand, eight hundred ninety-six".
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