Search a number
-
+
305320255324 = 22754120155813
BaseRepresentation
bin1000111000101101000…
…00010101111101011100
31002012002021221000000121
410130112200111331130
520000243441132244
6352132344404324
731026056230660
oct4342640257534
91065067830017
10305320255324
11108538362927
124b20b1766a4
1322a3a12a996
1410ac596a8a0
157e1e7c5c84
hex4716815f5c

305320255324 has 24 divisors (see below), whose sum is σ = 611769266528. Its totient is φ = 130609661760.

The previous prime is 305320255313. The next prime is 305320255327. The reversal of 305320255324 is 423552023503.

It is a happy number.

It is a super-2 number, since 2×3053202553242 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 305320255324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305320255327) 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 7 ways as a sum of consecutive naturals, for example, 10062759 + ... + 10093054.

Almost surely, 2305320255324 is an apocalyptic number.

It is an amenable number.

305320255324 is an abundant number, since it is smaller than the sum of its proper divisors (306449011204).

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

305320255324 is a wasteful number, since it uses less digits than its factorization.

305320255324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20156365 (or 20156363 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 305320255324 its reverse (423552023503), we get a palindrome (728872278827).

The spelling of 305320255324 in words is "three hundred five billion, three hundred twenty million, two hundred fifty-five thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 28 541 1082 2164 3787 7574 15148 20155813 40311626 80623252 141090691 282181382 564362764 10904294833 21808589666 43617179332 76330063831 152660127662 305320255324