Search a number
-
+
203120221222 = 2124981313139
BaseRepresentation
bin1011110100101011101…
…0001001110000100110
3201102021210112100100101
42331022322021300212
511311442234034342
6233151231134314
720450336251612
oct2751272116046
9642253470311
10203120221222
1179163084626
123344867439a
13162008a7219
149b8c660342
15543c3643b7
hex2f4ae89c26

203120221222 has 8 divisors (see below), whose sum is σ = 304924275000. Its totient is φ = 101478796224.

The previous prime is 203120221177. The next prime is 203120221229. The reversal of 203120221222 is 222122021302.

203120221222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 203120221222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203120221229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40654072 + ... + 40659067.

It is an arithmetic number, because the mean of its divisors is an integer number (38115534375).

Almost surely, 2203120221222 is an apocalyptic number.

203120221222 is a deficient number, since it is larger than the sum of its proper divisors (101804053778).

203120221222 is a wasteful number, since it uses less digits than its factorization.

203120221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81314390.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 203120221222 its reverse (222122021302), we get a palindrome (425242242524).

The spelling of 203120221222 in words is "two hundred three billion, one hundred twenty million, two hundred twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 1249 2498 81313139 162626278 101560110611 203120221222