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3302131021 = 72411643669
BaseRepresentation
bin1100010011010010…
…1000010101001101
322112010112122011221
43010310220111031
523230321143041
61303400043341
7144554436100
oct30464502515
98463478157
103302131021
111444a6aa02
12781a63551
1340817a2a7
142347b2737
15144d742d1
hexc4d2854d

3302131021 has 12 divisors (see below), whose sum is σ = 3934945980. Its totient is φ = 2761362240.

The previous prime is 3302130947. The next prime is 3302131031. The reversal of 3302131021 is 1201312033.

It can be written as a sum of positive squares in 2 ways, for example, as 1338754921 + 1963376100 = 36589^2 + 44310^2 .

It is not a de Polignac number, because 3302131021 - 27 = 3302130893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3302130986 and 3302131004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3302131031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 819826 + ... + 823843.

It is an arithmetic number, because the mean of its divisors is an integer number (327912165).

Almost surely, 23302131021 is an apocalyptic number.

It is an amenable number.

3302131021 is a deficient number, since it is larger than the sum of its proper divisors (632814959).

3302131021 is a wasteful number, since it uses less digits than its factorization.

3302131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643724 (or 1643717 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3302131021 is about 57464.1716289376. The cubic root of 3302131021 is about 1489.1259563084.

Adding to 3302131021 its reverse (1201312033), we get a palindrome (4503443054).

The spelling of 3302131021 in words is "three billion, three hundred two million, one hundred thirty-one thousand, twenty-one".

Divisors: 1 7 41 49 287 2009 1643669 11505683 67390429 80539781 471733003 3302131021