Search a number
-
+
231933688928760 = 2335713172694644511
BaseRepresentation
bin110100101111000101000101…
…001000111101100111111000
31010102012122101120012020002010
4310233011011020331213320
5220400000143331210020
62141140511001205520
766565441011505560
oct6457050510754770
91112178346166063
10231933688928760
11679a05859a0975
122201a3771908a0
139c55339b63420
14413b916b45da0
151bc31da510de0
hexd2f14523d9f8

231933688928760 has 512 divisors, whose sum is σ = 910116277862400. Its totient is φ = 45885678059520.

The previous prime is 231933688928759. The next prime is 231933688928797. The reversal of 231933688928760 is 67829886339132.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 47614905 + ... + 52259415.

It is an arithmetic number, because the mean of its divisors is an integer number (1777570855200).

Almost surely, 2231933688928760 is an apocalyptic number.

231933688928760 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 231933688928760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455058138931200).

231933688928760 is an abundant number, since it is smaller than the sum of its proper divisors (678182588933640).

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

231933688928760 is a wasteful number, since it uses less digits than its factorization.

231933688928760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644831 (or 4644827 counting only the distinct ones).

The product of its (nonzero) digits is 1128701952, while the sum is 75.

The spelling of 231933688928760 in words is "two hundred thirty-one trillion, nine hundred thirty-three billion, six hundred eighty-eight million, nine hundred twenty-eight thousand, seven hundred sixty".