Base | Representation |
---|---|
bin | 100001011100000… |
… | …0101110001100000 |
3 | 2220012020111121101 |
4 | 1002320011301200 |
5 | 4244212444333 |
6 | 303200204144 |
7 | 36542561635 |
oct | 10270056140 |
9 | 2805214541 |
10 | 1121999968 |
11 | 526381201 |
12 | 273909654 |
13 | 14b5b450b |
14 | a902818c |
15 | 6877e67d |
hex | 42e05c60 |
1121999968 has 24 divisors (see below), whose sum is σ = 2215631880. Its totient is φ = 559299840.
The previous prime is 1121999953. The next prime is 1121999969. The reversal of 1121999968 is 8699991211.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1121999969) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42373 + ... + 63556.
It is an arithmetic number, because the mean of its divisors is an integer number (92317995).
Almost surely, 21121999968 is an apocalyptic number.
It is an amenable number.
1121999968 is a deficient number, since it is larger than the sum of its proper divisors (1093631912).
1121999968 is a wasteful number, since it uses less digits than its factorization.
1121999968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106270 (or 106262 counting only the distinct ones).
The product of its digits is 629856, while the sum is 55.
The square root of 1121999968 is about 33496.2679712233. The cubic root of 1121999968 is about 1039.1165969670.
The spelling of 1121999968 in words is "one billion, one hundred twenty-one million, nine hundred ninety-nine thousand, nine hundred sixty-eight".
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