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6898199056 = 247831275843
BaseRepresentation
bin1100110110010101…
…00010101000010000
3122210202011211010221
412123022202220100
5103111414332211
63100300202424
7332641503340
oct63312425020
918722154127
106898199056
112a1a943061
121406239414
1385c1b17b8
1449621ad20
152a590ac71
hex19b2a2a10

6898199056 has 80 divisors (see below), whose sum is σ = 15583002624. Its totient is φ = 2897258112.

The previous prime is 6898199041. The next prime is 6898199107. The reversal of 6898199056 is 6509918986.

It is a happy number.

It is a super-2 number, since 2×68981990562 = 95170300432398582272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6898198985 and 6898199003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1177671 + ... + 1183513.

Almost surely, 26898199056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6898199056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7791501312).

6898199056 is an abundant number, since it is smaller than the sum of its proper divisors (8684803568).

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

6898199056 is a wasteful number, since it uses less digits than its factorization.

6898199056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068 (or 6062 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 61.

The square root of 6898199056 is about 83055.3975127445. The cubic root of 6898199056 is about 1903.6126147953.

The spelling of 6898199056 in words is "six billion, eight hundred ninety-eight million, one hundred ninety-nine thousand, fifty-six".

Divisors: 1 2 4 7 8 14 16 28 56 83 112 127 166 254 332 508 581 664 889 1016 1162 1328 1778 2032 2324 3556 4648 5843 7112 9296 10541 11686 14224 21082 23372 40901 42164 46744 73787 81802 84328 93488 147574 163604 168656 295148 327208 484969 590296 654416 742061 969938 1180592 1484122 1939876 2968244 3394783 3879752 5194427 5936488 6789566 7759504 10388854 11872976 13579132 20777708 27158264 41555416 54316528 61591063 83110832 123182126 246364252 431137441 492728504 862274882 985457008 1724549764 3449099528 6898199056