Base | Representation |
---|---|
bin | 111111001100000101… |
… | …011110011010110100 |
3 | 20111010110220202100122 |
4 | 333030011132122310 |
5 | 2102423203344240 |
6 | 51100312431112 |
7 | 4621230464426 |
oct | 771405363264 |
9 | 214113822318 |
10 | 67848496820 |
11 | 26857786975 |
12 | 111963a8498 |
13 | 6523796150 |
14 | 33d8da0816 |
15 | 1b717c34b5 |
hex | fcc15e6b4 |
67848496820 has 48 divisors (see below), whose sum is σ = 153491517648. Its totient is φ = 25043665920.
The previous prime is 67848496819. The next prime is 67848496841. The reversal of 67848496820 is 2869484876.
It can be written as a sum of positive squares in 8 ways, for example, as 2760241444 + 65088255376 = 52538^2 + 255124^2 .
It is a super-2 number, since 2×678484968202 (a number of 22 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 15 ways as a sum of consecutive naturals, for example, 796952 + ... + 877968.
It is an arithmetic number, because the mean of its divisors is an integer number (3197739951).
Almost surely, 267848496820 is an apocalyptic number.
It is an amenable number.
67848496820 is an abundant number, since it is smaller than the sum of its proper divisors (85643020828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67848496820 is a wasteful number, since it uses less digits than its factorization.
67848496820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84260 (or 84258 counting only the distinct ones).
The product of its (nonzero) digits is 37158912, while the sum is 62.
The spelling of 67848496820 in words is "sixty-seven billion, eight hundred forty-eight million, four hundred ninety-six thousand, eight hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.095 sec. • engine limits •