Base | Representation |
---|---|
bin | 111001000111100011… |
… | …1101100111100000001 |
3 | 102201121101220001221021 |
4 | 1302033013230330001 |
5 | 4002202010321444 |
6 | 132203242425441 |
7 | 11601430611313 |
oct | 1621707547401 |
9 | 381541801837 |
10 | 122660245249 |
11 | 48024568813 |
12 | 1b932802281 |
13 | b74a391a99 |
14 | 5d1878b7b3 |
15 | 32cd7d6584 |
hex | 1c8f1ecf01 |
122660245249 has 8 divisors (see below), whose sum is σ = 125696606112. Its totient is φ = 119632238880.
The previous prime is 122660245247. The next prime is 122660245297. The reversal of 122660245249 is 942542066221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122660245249 - 21 = 122660245247 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122660245247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2058892 + ... + 2117629.
It is an arithmetic number, because the mean of its divisors is an integer number (15712075764).
Almost surely, 2122660245249 is an apocalyptic number.
It is an amenable number.
122660245249 is a deficient number, since it is larger than the sum of its proper divisors (3036360863).
122660245249 is an equidigital number, since it uses as much as digits as its factorization.
122660245249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4177247.
The product of its (nonzero) digits is 414720, while the sum is 43.
The spelling of 122660245249 in words is "one hundred twenty-two billion, six hundred sixty million, two hundred forty-five thousand, two hundred forty-nine".
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