Search a number
-
+
331243222030 = 25729163174001
BaseRepresentation
bin1001101000111111010…
…00100111010000001110
31011122222220120011010121
410310133220213100032
520411341231101110
6412100535455154
732634341634250
oct4643750472016
91148886504117
10331243222030
11118530188456
12542448274ba
132530b93c436
141206472bcd0
15893a50ecda
hex4d1fa2740e

331243222030 has 32 divisors (see below), whose sum is σ = 704911688640. Its totient is φ = 109652928000.

The previous prime is 331243221997. The next prime is 331243222031. The reversal of 331243222030 is 30222342133.

It is a junction number, because it is equal to n+sod(n) for n = 331243221986 and 331243222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331243222031) 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 15 ways as a sum of consecutive naturals, for example, 81584971 + ... + 81589030.

It is an arithmetic number, because the mean of its divisors is an integer number (22028490270).

Almost surely, 2331243222030 is an apocalyptic number.

331243222030 is an abundant number, since it is smaller than the sum of its proper divisors (373668466610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331243222030 is a wasteful number, since it uses less digits than its factorization.

331243222030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163174044.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 331243222030 its reverse (30222342133), we get a palindrome (361465564163).

The spelling of 331243222030 in words is "three hundred thirty-one billion, two hundred forty-three million, two hundred twenty-two thousand, thirty".

Divisors: 1 2 5 7 10 14 29 35 58 70 145 203 290 406 1015 2030 163174001 326348002 815870005 1142218007 1631740010 2284436014 4732046029 5711090035 9464092058 11422180070 23660230145 33124322203 47320460290 66248644406 165621611015 331243222030