Base | Representation |
---|---|
bin | 101111001011010111… |
… | …0111000111110101101 |
3 | 100200111200111212022001 |
4 | 1132112232320332231 |
5 | 3124442124402341 |
6 | 114313111452301 |
7 | 10214430221113 |
oct | 1362656707655 |
9 | 320450455261 |
10 | 101313122221 |
11 | 39a6a686283 |
12 | 17775687091 |
13 | 972789043c |
14 | 4c915d9ab3 |
15 | 297e66cd31 |
hex | 1796bb8fad |
101313122221 has 8 divisors (see below), whose sum is σ = 101584907424. Its totient is φ = 101041563120.
The previous prime is 101313122149. The next prime is 101313122243. The reversal of 101313122221 is 122221313101.
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 101313122221 - 213 = 101313114029 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 (101313122291) 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, 860706 + ... + 971308.
It is an arithmetic number, because the mean of its divisors is an integer number (12698113428).
Almost surely, 2101313122221 is an apocalyptic number.
It is an amenable number.
101313122221 is a deficient number, since it is larger than the sum of its proper divisors (271785203).
101313122221 is a wasteful number, since it uses less digits than its factorization.
101313122221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113051.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 101313122221 its reverse (122221313101), we get a palindrome (223534435322).
The spelling of 101313122221 in words is "one hundred one billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred twenty-one".
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