Search a number
-
+
210222123305 = 5331127022431
BaseRepresentation
bin1100001111001000110…
…1110000100100101001
3202002121202000100111212
43003302031300210221
511421013330421210
6240324045402505
721121333364525
oct3036215604451
9662552010455
10210222123305
11811779a9797
12348aab69435
1316a9303b64c
14a263944d85
155705aab805
hex30f2370929

210222123305 has 8 divisors (see below), whose sum is σ = 253028684544. Its totient is φ = 167669607600.

The previous prime is 210222123283. The next prime is 210222123313. The reversal of 210222123305 is 503321222012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210222123305 - 28 = 210222123049 is a prime.

It is a super-2 number, since 2×2102221233052 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63509561 + ... + 63512870.

It is an arithmetic number, because the mean of its divisors is an integer number (31628585568).

Almost surely, 2210222123305 is an apocalyptic number.

It is an amenable number.

210222123305 is a deficient number, since it is larger than the sum of its proper divisors (42806561239).

210222123305 is a wasteful number, since it uses less digits than its factorization.

210222123305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127022767.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 210222123305 its reverse (503321222012), we get a palindrome (713543345317).

The spelling of 210222123305 in words is "two hundred ten billion, two hundred twenty-two million, one hundred twenty-three thousand, three hundred five".

Divisors: 1 5 331 1655 127022431 635112155 42044424661 210222123305