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32231220013 = 191853197831
BaseRepresentation
bin11110000001001000…
…010110001100101101
310002012020201121211101
4132001020112030231
51012002143020023
622450134523101
72220501564316
oct360110261455
9102166647741
1032231220013
111273a757713
1262b6206491
133068707b25
1417ba8d160d
15c899611ad
hex78121632d

32231220013 has 8 divisors (see below), whose sum is σ = 32438117376. Its totient is φ = 32024720400.

The previous prime is 32231220011. The next prime is 32231220029. The reversal of 32231220013 is 31002213223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32231220013 - 21 = 32231220011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32231220011) 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, 64008 + ... + 261838.

It is an arithmetic number, because the mean of its divisors is an integer number (4054764672).

Almost surely, 232231220013 is an apocalyptic number.

It is an amenable number.

32231220013 is a deficient number, since it is larger than the sum of its proper divisors (206897363).

32231220013 is a wasteful number, since it uses less digits than its factorization.

32231220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198875.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 32231220013 its reverse (31002213223), we get a palindrome (63233433236).

It can be divided in two parts, 3223 and 1220013, that added together give a square (1223236 = 11062).

The spelling of 32231220013 in words is "thirty-two billion, two hundred thirty-one million, two hundred twenty thousand, thirteen".

Divisors: 1 191 853 162923 197831 37785721 168749843 32231220013