Search a number
-
+
331245440245 = 5163406436123
BaseRepresentation
bin1001101000111111100…
…01000100110011110101
31011200000001201211221201
410310133301010303311
520411342313041440
6412101055212501
732634366533326
oct4643761046365
91150001654851
10331245440245
11118531462a95
1254245517131
132530c237ca5
1412064b4844d
15893a7ec19a
hex4d1fc44cf5

331245440245 has 8 divisors (see below), whose sum is σ = 399933146016. Its totient is φ = 263370607056.

The previous prime is 331245440243. The next prime is 331245440293. The reversal of 331245440245 is 542044542133.

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

It is a cyclic number.

It is not a de Polignac number, because 331245440245 - 21 = 331245440243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331245440243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203217247 + ... + 203218876.

It is an arithmetic number, because the mean of its divisors is an integer number (49991643252).

Almost surely, 2331245440245 is an apocalyptic number.

It is an amenable number.

331245440245 is a deficient number, since it is larger than the sum of its proper divisors (68687705771).

331245440245 is a wasteful number, since it uses less digits than its factorization.

331245440245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406436291.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 331245440245 its reverse (542044542133), we get a palindrome (873289982378).

The spelling of 331245440245 in words is "three hundred thirty-one billion, two hundred forty-five million, four hundred forty thousand, two hundred forty-five".

Divisors: 1 5 163 815 406436123 2032180615 66249088049 331245440245