Search a number
-
+
32231220102 = 2321790623339
BaseRepresentation
bin11110000001001000…
…010110001110000110
310002012020201121221200
4132001020112032012
51012002143020402
622450134523330
72220501564504
oct360110261606
9102166647850
1032231220102
111273a757794
1262b6206546
133068707b93
1417ba8d1674
15c8996121c
hex781216386

32231220102 has 12 divisors (see below), whose sum is σ = 69834310260. Its totient is φ = 10743740028.

The previous prime is 32231220089. The next prime is 32231220113. The reversal of 32231220102 is 20102213223.

32231220102 is a `hidden beast` number, since 322 + 312 + 20 + 10 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1790623339 = 32231220102 / (3 + 2 + 2 + 3 + 1 + 2 + 2 + 0 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 895311652 + ... + 895311687.

It is an arithmetic number, because the mean of its divisors is an integer number (5819525855).

Almost surely, 232231220102 is an apocalyptic number.

32231220102 is an abundant number, since it is smaller than the sum of its proper divisors (37603090158).

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

32231220102 is a wasteful number, since it uses less digits than its factorization.

32231220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790623347 (or 1790623344 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 32231220102 its reverse (20102213223), we get a palindrome (52333433325).

The spelling of 32231220102 in words is "thirty-two billion, two hundred thirty-one million, two hundred twenty thousand, one hundred two".

Divisors: 1 2 3 6 9 18 1790623339 3581246678 5371870017 10743740034 16115610051 32231220102