Search a number
-
+
32001231140 = 2251600061557
BaseRepresentation
bin11101110011011011…
…000000100100100100
310001121012221222101222
4131303123000210210
51011014303344030
622411241235512
72212006655654
oct356333004444
9101535858358
1032001231140
111263195166a
126251192b98
13302cb80938
141798144364
15c746813e5
hex7736c0924

32001231140 has 12 divisors (see below), whose sum is σ = 67202585436. Its totient is φ = 12800492448.

The previous prime is 32001231139. The next prime is 32001231151. The reversal of 32001231140 is 4113210023.

It can be written as a sum of positive squares in 2 ways, for example, as 15132936256 + 16868294884 = 123016^2 + 129878^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800030759 + ... + 800030798.

It is an arithmetic number, because the mean of its divisors is an integer number (5600215453).

Almost surely, 232001231140 is an apocalyptic number.

It is an amenable number.

32001231140 is an abundant number, since it is smaller than the sum of its proper divisors (35201354296).

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

32001231140 is a wasteful number, since it uses less digits than its factorization.

32001231140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600061566 (or 1600061564 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 32001231140 its reverse (4113210023), we get a palindrome (36114441163).

The spelling of 32001231140 in words is "thirty-two billion, one million, two hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1600061557 3200123114 6400246228 8000307785 16000615570 32001231140