Base | Representation |
---|---|
bin | 111111101100100… |
… | …100011111100100 |
3 | 2202110211222001010 |
4 | 333230210133210 |
5 | 4142033222140 |
6 | 254012502220 |
7 | 35324235030 |
oct | 7754443744 |
9 | 2673758033 |
10 | 1068648420 |
11 | 4a9251414 |
12 | 259a7a970 |
13 | 140524758 |
14 | a1cdb1c0 |
15 | 63c41880 |
hex | 3fb247e4 |
1068648420 has 96 divisors (see below), whose sum is σ = 3427200000. Its totient is φ = 243725184.
The previous prime is 1068648419. The next prime is 1068648431. The reversal of 1068648420 is 248468601.
It is a super-2 number, since 2×10686484202 = 2284018891136992800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207031 + ... + 212129.
It is an arithmetic number, because the mean of its divisors is an integer number (35700000).
Almost surely, 21068648420 is an apocalyptic number.
1068648420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1068648420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1713600000).
1068648420 is an abundant number, since it is smaller than the sum of its proper divisors (2358551580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1068648420 is a wasteful number, since it uses less digits than its factorization.
1068648420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5617 (or 5615 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 39.
The square root of 1068648420 is about 32690.1884362877. The cubic root of 1068648420 is about 1022.3782835053.
The spelling of 1068648420 in words is "one billion, sixty-eight million, six hundred forty-eight thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •