Base | Representation |
---|---|
bin | 1110100101011011… |
… | …00011001100000000 |
3 | 202012200202110211100 |
4 | 13102231203030000 |
5 | 112014002421024 |
6 | 3332550414400 |
7 | 365015643465 |
oct | 72255431400 |
9 | 22180673740 |
10 | 7830123264 |
11 | 335899a557 |
12 | 1626361400 |
13 | 97a2a4c42 |
14 | 543cc766c |
15 | 30c6417c9 |
hex | 1d2b63300 |
7830123264 has 54 divisors (see below), whose sum is σ = 22576182356. Its totient is φ = 2610040320.
The previous prime is 7830123241. The next prime is 7830123277. The reversal of 7830123264 is 4623210387.
It is a happy number.
7830123264 is a `hidden beast` number, since 78 + 301 + 23 + 264 = 666.
It is a super-2 number, since 2×78301232642 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1696942 + ... + 1701549.
Almost surely, 27830123264 is an apocalyptic number.
It is an amenable number.
7830123264 is an abundant number, since it is smaller than the sum of its proper divisors (14746059092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7830123264 is a wasteful number, since it uses less digits than its factorization.
7830123264 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3398513 (or 3398496 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 36.
The square root of 7830123264 is about 88487.9837266055. The cubic root of 7830123264 is about 1985.7422044997.
It can be divided in two parts, 7830123 and 264, that added together give a palindrome (7830387).
The spelling of 7830123264 in words is "seven billion, eight hundred thirty million, one hundred twenty-three thousand, two hundred sixty-four".
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