Base | Representation |
---|---|
bin | 111001110011011011… |
… | …0000010100011101101 |
3 | 102212101222021110221001 |
4 | 1303212312002203231 |
5 | 4013210243311341 |
6 | 133005255440301 |
7 | 11653051451302 |
oct | 1634666024355 |
9 | 385358243831 |
10 | 124132010221 |
11 | 4870a3135aa |
12 | 20083686091 |
13 | b92327952b |
14 | 60180210a9 |
15 | 3367b04d31 |
hex | 1ce6d828ed |
124132010221 has 4 divisors (see below), whose sum is σ = 124230607200. Its totient is φ = 124033413244.
The previous prime is 124132010209. The next prime is 124132010231. The reversal of 124132010221 is 122010231421.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 124132010221 - 221 = 124129913069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124132010231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49296601 + ... + 49299118.
It is an arithmetic number, because the mean of its divisors is an integer number (31057651800).
Almost surely, 2124132010221 is an apocalyptic number.
It is an amenable number.
124132010221 is a deficient number, since it is larger than the sum of its proper divisors (98596979).
124132010221 is an equidigital number, since it uses as much as digits as its factorization.
124132010221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98596978.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 124132010221 its reverse (122010231421), we get a palindrome (246142241642).
The spelling of 124132010221 in words is "one hundred twenty-four billion, one hundred thirty-two million, ten thousand, two hundred twenty-one".
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