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6820342122 = 23112319722807
BaseRepresentation
bin1100101101000011…
…00010100101101010
3122121022200021111210
412112201202211222
5102432001421442
63044435333550
7331004644236
oct62641424552
918538607453
106820342122
11298a9a5a90
1213a41512b6
138490219c9
14489b515c6
1529db7c19c
hex19686296a

6820342122 has 64 divisors (see below), whose sum is σ = 15607240704. Its totient is φ = 1966789440.

The previous prime is 6820342093. The next prime is 6820342141. The reversal of 6820342122 is 2212430286.

It is a super-2 number, since 2×68203421222 = 93034133322254925768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6820342122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287643 + ... + 310449.

It is an arithmetic number, because the mean of its divisors is an integer number (243863136).

Almost surely, 26820342122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6820342122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7803620352).

6820342122 is an abundant number, since it is smaller than the sum of its proper divisors (8786898582).

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

6820342122 is a wasteful number, since it uses less digits than its factorization.

6820342122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23043.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 6820342122 is about 82585.3626376975. The cubic root of 6820342122 is about 1896.4237550720.

The spelling of 6820342122 in words is "six billion, eight hundred twenty million, three hundred forty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 197 253 394 506 591 759 1182 1518 2167 4334 4531 6501 9062 13002 13593 22807 27186 45614 49841 68421 99682 136842 149523 250877 299046 501754 524561 752631 1049122 1505262 1573683 3147366 4492979 5770171 8985958 11540342 13478937 17310513 26957874 34621026 49422769 98845538 103338517 148268307 206677034 296536614 310015551 620031102 1136723687 2273447374 3410171061 6820342122