Search a number
-
+
23235163321560 = 233510719730729921
BaseRepresentation
bin1010100100001110110111…
…01001111111010011011000
310001021021000111000021121020
411102013123221333103120
511021141103302242220
6121230030415442440
74615454002361331
oct522073351772330
9101237014007536
1023235163321560
117448a82a56943
122733169226420
13cc70b313b048
145a48332d7288
152a45eeae1040
hex1521dba7f4d8

23235163321560 has 256 divisors, whose sum is σ = 70946795082240. Its totient is φ = 6086882672640.

The previous prime is 23235163321507. The next prime is 23235163321577. The reversal of 23235163321560 is 6512336153232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 776535400 + ... + 776565320.

It is an arithmetic number, because the mean of its divisors is an integer number (277135918290).

Almost surely, 223235163321560 is an apocalyptic number.

23235163321560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23235163321560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35473397541120).

23235163321560 is an abundant number, since it is smaller than the sum of its proper divisors (47711631760680).

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

23235163321560 is a wasteful number, since it uses less digits than its factorization.

23235163321560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30546 (or 30542 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 42.

Adding to 23235163321560 its reverse (6512336153232), we get a palindrome (29747499474792).

The spelling of 23235163321560 in words is "twenty-three trillion, two hundred thirty-five billion, one hundred sixty-three million, three hundred twenty-one thousand, five hundred sixty".