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3220321142 = 213921295441
BaseRepresentation
bin1011111111110010…
…0011001101110110
322022102121021010102
42333330203031312
523043400234032
61251314354102
7142542164243
oct27774431566
98272537112
103220321142
111402872a35
1275a58b932
133c423518c
142279985ca
1513cab4362
hexbff23376

3220321142 has 16 divisors (see below), whose sum is σ = 4868413200. Its totient is φ = 1597532160.

The previous prime is 3220321141. The next prime is 3220321189. The reversal of 3220321142 is 2411230223.

It is a super-2 number, since 2×32203211422 = 20740936515224368328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220321141) 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, 589142 + ... + 594582.

It is an arithmetic number, because the mean of its divisors is an integer number (304275825).

Almost surely, 23220321142 is an apocalyptic number.

3220321142 is a deficient number, since it is larger than the sum of its proper divisors (1648092058).

3220321142 is a wasteful number, since it uses less digits than its factorization.

3220321142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3220321142 is about 56747.8734579544. The cubic root of 3220321142 is about 1476.7253416844.

Adding to 3220321142 its reverse (2411230223), we get a palindrome (5631551365).

The spelling of 3220321142 in words is "three billion, two hundred twenty million, three hundred twenty-one thousand, one hundred forty-two".

Divisors: 1 2 139 278 2129 4258 5441 10882 295931 591862 756299 1512598 11583889 23167778 1610160571 3220321142