Base | Representation |
---|---|
bin | 111111101101111… |
… | …001001111011110 |
3 | 2202111111121012210 |
4 | 333231321033132 |
5 | 4142130324200 |
6 | 254024141250 |
7 | 35330212050 |
oct | 7755711736 |
9 | 2674447183 |
10 | 1068995550 |
11 | 4a94691a7 |
12 | 25a007826 |
13 | 14061675c |
14 | a1d8b8d0 |
15 | 63cae650 |
hex | 3fb793de |
1068995550 has 48 divisors (see below), whose sum is σ = 3029841792. Its totient is φ = 244341600.
The previous prime is 1068995503. The next prime is 1068995561. The reversal of 1068995550 is 555998601.
It is a happy number.
It is a super-2 number, since 2×10689955502 = 2285502971839605000, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1068995550.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507996 + ... + 510095.
It is an arithmetic number, because the mean of its divisors is an integer number (63121704).
Almost surely, 21068995550 is an apocalyptic number.
1068995550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1068995550 is an abundant number, since it is smaller than the sum of its proper divisors (1960846242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1068995550 is a wasteful number, since it uses less digits than its factorization.
1068995550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1018113 (or 1018108 counting only the distinct ones).
The product of its (nonzero) digits is 486000, while the sum is 48.
The square root of 1068995550 is about 32695.4973964306. The cubic root of 1068995550 is about 1022.4889715315.
The spelling of 1068995550 in words is "one billion, sixty-eight million, nine hundred ninety-five thousand, five hundred fifty".
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