Base | Representation |
---|---|
bin | 111111101101100… |
… | …100110100010000 |
3 | 2202111100100110012 |
4 | 333231210310100 |
5 | 4142120140023 |
6 | 254022254052 |
7 | 35326413122 |
oct | 7755446420 |
9 | 2674310405 |
10 | 1068911888 |
11 | 4a9411360 |
12 | 259b87328 |
13 | 1405b7655 |
14 | a1d69212 |
15 | 63c94978 |
hex | 3fb64d10 |
1068911888 has 40 divisors (see below), whose sum is σ = 2311849056. Its totient is φ = 474566400.
The previous prime is 1068911869. The next prime is 1068911927. The reversal of 1068911888 is 8881198601.
It is a happy number.
It is a super-2 number, since 2×10689118882 = 2285145248615449088, which contains 22 as substring.
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, 63053 + ... + 78188.
Almost surely, 21068911888 is an apocalyptic number.
It is an amenable number.
1068911888 is an abundant number, since it is smaller than the sum of its proper divisors (1242937168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1068911888 is a wasteful number, since it uses less digits than its factorization.
1068911888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141303 (or 141297 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 50.
The square root of 1068911888 is about 32694.2179597555. The cubic root of 1068911888 is about 1022.4622967389.
The spelling of 1068911888 in words is "one billion, sixty-eight million, nine hundred eleven thousand, eight hundred eighty-eight".
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