Base | Representation |
---|---|
bin | 1110111000101111… |
… | …10011001010010000 |
3 | 202121222201111122100 |
4 | 13130113303022100 |
5 | 112332000144210 |
6 | 3401020240400 |
7 | 402024345132 |
oct | 73427631220 |
9 | 22558644570 |
10 | 7992193680 |
11 | 3431426449 |
12 | 16706a0100 |
13 | 9a4a3bbb3 |
14 | 55b635052 |
15 | 31b9a75c0 |
hex | 1dc5f3290 |
7992193680 has 120 divisors (see below), whose sum is σ = 28419343992. Its totient is φ = 2005880832.
The previous prime is 7992193679. The next prime is 7992193717. The reversal of 7992193680 is 863912997.
It can be written as a sum of positive squares in 4 ways, for example, as 295289856 + 7696903824 = 17184^2 + 87732^2 .
It is a tau number, because it is divible by the number of its divisors (120).
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 314239 + ... + 338718.
Almost surely, 27992193680 is an apocalyptic number.
It is an amenable number.
7992193680 is an abundant number, since it is smaller than the sum of its proper divisors (20427150312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7992193680 is a wasteful number, since it uses less digits than its factorization.
7992193680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 652993 (or 652984 counting only the distinct ones).
The product of its (nonzero) digits is 1469664, while the sum is 54.
The square root of 7992193680 is about 89399.0697938183. The cubic root of 7992193680 is about 1999.3492616261.
The spelling of 7992193680 in words is "seven billion, nine hundred ninety-two million, one hundred ninety-three thousand, six hundred eighty".
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