Base | Representation |
---|---|
bin | 100100011110010110… |
… | …1101110111011110000 |
3 | 21111011211000100110120 |
4 | 1020330231232323300 |
5 | 2240403434024013 |
6 | 55552225330240 |
7 | 5442020203161 |
oct | 1107455567360 |
9 | 244154010416 |
10 | 78328033008 |
11 | 30245150585 |
12 | 1321ba96980 |
13 | 7503922134 |
14 | 3b10aad768 |
15 | 2086806123 |
hex | 123cb6eef0 |
78328033008 has 40 divisors (see below), whose sum is σ = 202565346000. Its totient is φ = 26081224704.
The previous prime is 78328032983. The next prime is 78328033013. The reversal of 78328033008 is 80033082387.
It is a super-2 number, since 2×783280330082 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833683 + ... + 922866.
It is an arithmetic number, because the mean of its divisors is an integer number (5064133650).
Almost surely, 278328033008 is an apocalyptic number.
It is an amenable number.
78328033008 is an abundant number, since it is smaller than the sum of its proper divisors (124237312992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78328033008 is a wasteful number, since it uses less digits than its factorization.
78328033008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1757489 (or 1757483 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 42.
The spelling of 78328033008 in words is "seventy-eight billion, three hundred twenty-eight million, thirty-three thousand, eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.155 sec. • engine limits •