Base | Representation |
---|---|
bin | 111000110110111001… |
… | …1111000101001110001 |
3 | 102200011110022220102111 |
4 | 1301231303320221301 |
5 | 4000030424332400 |
6 | 132032000445321 |
7 | 11551533536335 |
oct | 1615563705161 |
9 | 380143286374 |
10 | 122101402225 |
11 | 47868070780 |
12 | 1b7b7619841 |
13 | b68b67653a |
14 | 5ca44797c5 |
15 | 32996e83ba |
hex | 1c6dcf8a71 |
122101402225 has 96 divisors (see below), whose sum is σ = 179272382976. Its totient is φ = 81494630400.
The previous prime is 122101402223. The next prime is 122101402261. The reversal of 122101402225 is 522204101221.
It is not a de Polignac number, because 122101402225 - 21 = 122101402223 is a prime.
It is a super-2 number, since 2×1221014022252 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122101402196 and 122101402205.
It is not an unprimeable number, because it can be changed into a prime (122101402223) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 69651949 + ... + 69653701.
It is an arithmetic number, because the mean of its divisors is an integer number (1867420656).
Almost surely, 2122101402225 is an apocalyptic number.
It is an amenable number.
122101402225 is a deficient number, since it is larger than the sum of its proper divisors (57170980751).
122101402225 is a wasteful number, since it uses less digits than its factorization.
122101402225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2155 (or 2150 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 22.
Adding to 122101402225 its reverse (522204101221), we get a palindrome (644305503446).
The spelling of 122101402225 in words is "one hundred twenty-two billion, one hundred one million, four hundred two thousand, two hundred twenty-five".
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