Base | Representation |
---|---|
bin | 111001001100101000… |
… | …1011011010111111111 |
3 | 102202001021101022022222 |
4 | 1302121101123113333 |
5 | 4003024111120121 |
6 | 132232205155555 |
7 | 11605566410033 |
oct | 1623121332777 |
9 | 382037338288 |
10 | 122830566911 |
11 | 4810171aa18 |
12 | 1b97b85bbbb |
13 | b776757630 |
14 | 5d332461c3 |
15 | 32dd72c0ab |
hex | 1c9945b5ff |
122830566911 has 16 divisors (see below), whose sum is σ = 134489725440. Its totient is φ = 111488382720.
The previous prime is 122830566883. The next prime is 122830566917. The reversal of 122830566911 is 119665038221.
It is a happy number.
It is not a de Polignac number, because 122830566911 - 26 = 122830566847 is a prime.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122830566917) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2699810 + ... + 2744928.
It is an arithmetic number, because the mean of its divisors is an integer number (8405607840).
Almost surely, 2122830566911 is an apocalyptic number.
122830566911 is a deficient number, since it is larger than the sum of its proper divisors (11659158529).
122830566911 is a wasteful number, since it uses less digits than its factorization.
122830566911 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48626.
The product of its (nonzero) digits is 155520, while the sum is 44.
The spelling of 122830566911 in words is "one hundred twenty-two billion, eight hundred thirty million, five hundred sixty-six thousand, nine hundred eleven".
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