Base | Representation |
---|---|
bin | 1110010101000… |
… | …10001111100101 |
3 | 22101011220102211 |
4 | 13022202033211 |
5 | 221232432323 |
6 | 15532203421 |
7 | 2656462525 |
oct | 712421745 |
9 | 271156384 |
10 | 120202213 |
11 | 6193a77a |
12 | 34309571 |
13 | 1bb97c91 |
14 | 11d6d685 |
15 | a84570d |
hex | 72a23e5 |
120202213 has 4 divisors (see below), whose sum is σ = 121723840. Its totient is φ = 118680588.
The previous prime is 120202193. The next prime is 120202217. The reversal of 120202213 is 312202021.
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 120202213 - 217 = 120071141 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120202193 and 120202202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120202217) 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, 760695 + ... + 760852.
It is an arithmetic number, because the mean of its divisors is an integer number (30430960).
Almost surely, 2120202213 is an apocalyptic number.
It is an amenable number.
120202213 is a deficient number, since it is larger than the sum of its proper divisors (1521627).
120202213 is an equidigital number, since it uses as much as digits as its factorization.
120202213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1521626.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 120202213 is about 10963.6769835671. The cubic root of 120202213 is about 493.5193150232.
Adding to 120202213 its reverse (312202021), we get a palindrome (432404234).
The spelling of 120202213 in words is "one hundred twenty million, two hundred two thousand, two hundred thirteen".
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