Search a number
-
+
32720120274 = 23411129117811
BaseRepresentation
bin11110011110010001…
…010110100111010010
310010110022200022220110
4132132101112213102
51014002322322044
623010441422150
72235556301442
oct363621264722
9103408608813
1032720120274
1112970722716
126411a9a956
133115aa491a
1418257d8122
15cb78356b9
hex79e4569d2

32720120274 has 32 divisors (see below), whose sum is σ = 67096290240. Its totient is φ = 10631174400.

The previous prime is 32720120263. The next prime is 32720120297. The reversal of 32720120274 is 47202102723.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 218829 + ... + 336639.

It is an arithmetic number, because the mean of its divisors is an integer number (2096759070).

Almost surely, 232720120274 is an apocalyptic number.

32720120274 is an abundant number, since it is smaller than the sum of its proper divisors (34376169966).

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

32720120274 is a wasteful number, since it uses less digits than its factorization.

32720120274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118986.

The product of its (nonzero) digits is 9408, while the sum is 30.

Adding to 32720120274 its reverse (47202102723), we get a palindrome (79922222997).

The spelling of 32720120274 in words is "thirty-two billion, seven hundred twenty million, one hundred twenty thousand, two hundred seventy-four".

Divisors: 1 2 3 6 41 82 123 246 1129 2258 3387 6774 46289 92578 117811 138867 235622 277734 353433 706866 4830251 9660502 14490753 28981506 133008619 266017238 399025857 798051714 5453353379 10906706758 16360060137 32720120274