Base | Representation |
---|---|
bin | 111000110111110000… |
… | …1011001011001000101 |
3 | 102200020110100102010012 |
4 | 1301233201121121011 |
5 | 4000110302010041 |
6 | 132034504040005 |
7 | 11552332543463 |
oct | 1615741313105 |
9 | 380213312105 |
10 | 122130110021 |
11 | 47882299327 |
12 | 1b805163005 |
13 | b6945b82ba |
14 | 5ca81cd833 |
15 | 329beb93eb |
hex | 1c6f859645 |
122130110021 has 8 divisors (see below), whose sum is σ = 124036406400. Its totient is φ = 120226268448.
The previous prime is 122130109973. The next prime is 122130110027. The reversal of 122130110021 is 120011031221.
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 122130110021 - 214 = 122130093637 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122130109978 and 122130110005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122130110027) 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, 513296 + ... + 712553.
It is an arithmetic number, because the mean of its divisors is an integer number (15504550800).
Almost surely, 2122130110021 is an apocalyptic number.
It is an amenable number.
122130110021 is a deficient number, since it is larger than the sum of its proper divisors (1906296379).
122130110021 is a wasteful number, since it uses less digits than its factorization.
122130110021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1227403.
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 122130110021 its reverse (120011031221), we get a palindrome (242141141242).
The spelling of 122130110021 in words is "one hundred twenty-two billion, one hundred thirty million, one hundred ten thousand, twenty-one".
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