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3221133020 = 225741561173
BaseRepresentation
bin1011111111111110…
…1001011011011100
322022111010111210222
42333333221123130
523044102224040
61251344020512
7142552115240
oct27777513334
98274114728
103221133020
111403277a06
1275a901738
133c445a891
14227b2a420
1513cbc4bb5
hexbffe96dc

3221133020 has 48 divisors (see below), whose sum is σ = 7919287488. Its totient is φ = 1077450240.

The previous prime is 3221133017. The next prime is 3221133031. The reversal of 3221133020 is 203311223.

3221133020 is nontrivially palindromic in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 3221133020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274847 + ... + 286326.

It is an arithmetic number, because the mean of its divisors is an integer number (164985156).

Almost surely, 23221133020 is an apocalyptic number.

It is an amenable number.

3221133020 is an abundant number, since it is smaller than the sum of its proper divisors (4698154468).

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

3221133020 is a wasteful number, since it uses less digits than its factorization.

3221133020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561230 (or 561228 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3221133020 is about 56755.0263853344. The cubic root of 3221133020 is about 1476.8494307659.

Adding to 3221133020 its reverse (203311223), we get a palindrome (3424444243).

The spelling of 3221133020 in words is "three billion, two hundred twenty-one million, one hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 41 70 82 140 164 205 287 410 574 820 1148 1435 2870 5740 561173 1122346 2244692 2805865 3928211 5611730 7856422 11223460 15712844 19641055 23008093 39282110 46016186 78564220 92032372 115040465 161056651 230080930 322113302 460161860 644226604 805283255 1610566510 3221133020