Search a number
-
+
32113121240 = 235802828031
BaseRepresentation
bin11101111010000101…
…110101011111011000
310001220000111120202202
4131322011311133120
51011231424334430
622430315345332
72214536012114
oct357205653730
9101800446682
1032113121240
111268a024322
126282752248
13304a0c83b5
1417a8d4c744
15c7e3d3d45
hex77a1757d8

32113121240 has 16 divisors (see below), whose sum is σ = 72254522880. Its totient is φ = 12845248480.

The previous prime is 32113121233. The next prime is 32113121267. The reversal of 32113121240 is 4212131123.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 401413976 + ... + 401414055.

It is an arithmetic number, because the mean of its divisors is an integer number (4515907680).

Almost surely, 232113121240 is an apocalyptic number.

It is an amenable number.

32113121240 is an abundant number, since it is smaller than the sum of its proper divisors (40141401640).

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

32113121240 is a wasteful number, since it uses less digits than its factorization.

32113121240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802828042 (or 802828038 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 32113121240 its reverse (4212131123), we get a palindrome (36325252363).

The spelling of 32113121240 in words is "thirty-two billion, one hundred thirteen million, one hundred twenty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 802828031 1605656062 3211312124 4014140155 6422624248 8028280310 16056560620 32113121240