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3220322001220 = 225161016100061
BaseRepresentation
bin101110110111001010001…
…001100010000101000100
3102101212012202222120211101
4232313022021202011010
5410230204413014340
610503221232345444
7451442403240052
oct56671211420504
912355182876741
103220322001220
1110318048a8205
124401533a5284
131a48a1158a6c
14b1c15d5d1d2
1558b7bd3bc9a
hex2edca262144

3220322001220 has 12 divisors (see below), whose sum is σ = 6762676202604. Its totient is φ = 1288128800480.

The previous prime is 3220322001203. The next prime is 3220322001251. The reversal of 3220322001220 is 221002230223.

It can be written as a sum of positive squares in 2 ways, for example, as 1692408457476 + 1527913543744 = 1300926^2 + 1236088^2 .

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, 80508050011 + ... + 80508050050.

It is an arithmetic number, because the mean of its divisors is an integer number (563556350217).

Almost surely, 23220322001220 is an apocalyptic number.

It is an amenable number.

3220322001220 is an abundant number, since it is smaller than the sum of its proper divisors (3542354201384).

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

3220322001220 is a wasteful number, since it uses less digits than its factorization.

3220322001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161016100070 (or 161016100068 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 3220322001220 its reverse (221002230223), we get a palindrome (3441324231443).

The spelling of 3220322001220 in words is "three trillion, two hundred twenty billion, three hundred twenty-two million, one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 161016100061 322032200122 644064400244 805080500305 1610161000610 3220322001220