Base | Representation |
---|---|
bin | 11100110110000100010… |
… | …10110101110110101011 |
3 | 10111202012110200122212112 |
4 | 32123002022311312223 |
5 | 112214233111200021 |
6 | 2035145522432535 |
7 | 131414245564520 |
oct | 16330212656653 |
9 | 3452173618775 |
10 | 991100100011 |
11 | 35236119434a |
12 | 1400b950274b |
13 | 725ca495728 |
14 | 35d8044b147 |
15 | 1abaa25dd5b |
hex | e6c22b5dab |
991100100011 has 64 divisors (see below), whose sum is σ = 1256454291456. Its totient is φ = 762446131200.
The previous prime is 991100099989. The next prime is 991100100017. The reversal of 991100100011 is 110001001199.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 991100100011 - 210 = 991100098987 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 991100100011.
It is not an unprimeable number, because it can be changed into a prime (991100100017) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70070006 + ... + 70084148.
It is an arithmetic number, because the mean of its divisors is an integer number (19632098304).
Almost surely, 2991100100011 is an apocalyptic number.
991100100011 is a deficient number, since it is larger than the sum of its proper divisors (265354191445).
991100100011 is a wasteful number, since it uses less digits than its factorization.
991100100011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14532.
The product of its (nonzero) digits is 81, while the sum is 23.
The spelling of 991100100011 in words is "nine hundred ninety-one billion, one hundred million, one hundred thousand, eleven".
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