Base | Representation |
---|---|
bin | 111000110111011111… |
… | …1110111011100001011 |
3 | 102200012211210211202101 |
4 | 1301232333313130023 |
5 | 4000101024221303 |
6 | 132033551414231 |
7 | 11552165044261 |
oct | 1615677673413 |
9 | 380184724671 |
10 | 122121320203 |
11 | 47878335413 |
12 | 1b802224377 |
13 | b69282b51c |
14 | 5ca6d82431 |
15 | 329b32ed1d |
hex | 1c6eff770b |
122121320203 has 8 divisors (see below), whose sum is σ = 126336862080. Its totient is φ = 117906075840.
The previous prime is 122121320183. The next prime is 122121320249. The reversal of 122121320203 is 302023121221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122121320203 is a prime.
It is a super-2 number, since 2×1221213202032 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (122121326203) 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, 1048023 + ... + 1158703.
It is an arithmetic number, because the mean of its divisors is an integer number (15792107760).
Almost surely, 2122121320203 is an apocalyptic number.
122121320203 is a deficient number, since it is larger than the sum of its proper divisors (4215541877).
122121320203 is a wasteful number, since it uses less digits than its factorization.
122121320203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148757.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 122121320203 its reverse (302023121221), we get a palindrome (424144441424).
The spelling of 122121320203 in words is "one hundred twenty-two billion, one hundred twenty-one million, three hundred twenty thousand, two hundred three".
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