Search a number
-
+
132531233240 = 2357473325833
BaseRepresentation
bin111101101101101111…
…0100010000111011000
3110200002022220012212002
41323123132202013120
54132410443430430
6140514540140132
712401150616050
oct1733336420730
9420068805762
10132531233240
115122a47612a
1221828537648
13c66141b393
1465b372a560
1536aa1ad845
hex1edb7a21d8

132531233240 has 32 divisors (see below), whose sum is σ = 340794600480. Its totient is φ = 45439279872.

The previous prime is 132531233221. The next prime is 132531233243. The reversal of 132531233240 is 42332135231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132531233243) 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, 236662637 + ... + 236663196.

It is an arithmetic number, because the mean of its divisors is an integer number (10649831265).

Almost surely, 2132531233240 is an apocalyptic number.

132531233240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132531233240 is an abundant number, since it is smaller than the sum of its proper divisors (208263367240).

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

132531233240 is a wasteful number, since it uses less digits than its factorization.

132531233240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473325851 (or 473325847 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 132531233240 its reverse (42332135231), we get a palindrome (174863368471).

The spelling of 132531233240 in words is "one hundred thirty-two billion, five hundred thirty-one million, two hundred thirty-three thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 473325833 946651666 1893303332 2366629165 3313280831 3786606664 4733258330 6626561662 9466516660 13253123324 16566404155 18933033320 26506246648 33132808310 66265616620 132531233240