Base | Representation |
---|---|
bin | 1100000010101… |
… | …11011000100111 |
3 | 21001002102001210 |
4 | 12001113120213 |
5 | 201330134343 |
6 | 14005122503 |
7 | 2334444342 |
oct | 601273047 |
9 | 231072053 |
10 | 101021223 |
11 | 52029816 |
12 | 299b9433 |
13 | 17c10594 |
14 | d5b9459 |
15 | 8d07333 |
hex | 6057627 |
101021223 has 8 divisors (see below), whose sum is σ = 134873200. Its totient is φ = 67258368.
The previous prime is 101021177. The next prime is 101021227. The reversal of 101021223 is 322120101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 101021223 - 26 = 101021159 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 101021199 and 101021208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101021227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19588 + ... + 24201.
It is an arithmetic number, because the mean of its divisors is an integer number (16859150).
Almost surely, 2101021223 is an apocalyptic number.
101021223 is a deficient number, since it is larger than the sum of its proper divisors (33851977).
101021223 is an equidigital number, since it uses as much as digits as its factorization.
101021223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44561.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 101021223 is about 10050.9314493732. The cubic root of 101021223 is about 465.7335675430.
Adding to 101021223 its reverse (322120101), we get a palindrome (423141324).
It can be divided in two parts, 10102 and 1223, that added together give a triangular number (11325 = T150).
The spelling of 101021223 in words is "one hundred one million, twenty-one thousand, two hundred twenty-three".
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