Base | Representation |
---|---|
bin | 111000110111001010… |
… | …1000110110111100001 |
3 | 102200012001201100220011 |
4 | 1301232111012313201 |
5 | 4000040142024301 |
6 | 132032511244521 |
7 | 11552000551051 |
oct | 1615625066741 |
9 | 380161640804 |
10 | 122110111201 |
11 | 47871a79981 |
12 | 1b7ba519741 |
13 | b690405590 |
14 | 5ca56a5561 |
15 | 329a368a51 |
hex | 1c6e546de1 |
122110111201 has 8 divisors (see below), whose sum is σ = 131558460264. Its totient is φ = 112669656960.
The previous prime is 122110111199. The next prime is 122110111229. The reversal of 122110111201 is 102111011221.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 10003000225 + 112107110976 = 100015^2 + 334824^2 .
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 122110111201 - 21 = 122110111199 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122110111241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1941556 + ... + 2003461.
It is an arithmetic number, because the mean of its divisors is an integer number (16444807533).
Almost surely, 2122110111201 is an apocalyptic number.
It is an amenable number.
122110111201 is a deficient number, since it is larger than the sum of its proper divisors (9448349063).
122110111201 is a wasteful number, since it uses less digits than its factorization.
122110111201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3947411.
The product of its (nonzero) digits is 8, while the sum is 13.
Adding to 122110111201 its reverse (102111011221), we get a palindrome (224221122422).
The spelling of 122110111201 in words is "one hundred twenty-two billion, one hundred ten million, one hundred eleven thousand, two hundred one".
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