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8199082425 = 352109321099
BaseRepresentation
bin1111010001011010…
…00001000110111001
3210011102000112122110
413220231001012321
5113242431114200
63433330442533
7410116023252
oct75055010671
923142015573
108199082425
113528193a86
121709a33449
13a08868881
1457accbb29
1532ec22b50
hex1e8b411b9

8199082425 has 12 divisors (see below), whose sum is σ = 13555816400. Its totient is φ = 4372843920.

The previous prime is 8199082373. The next prime is 8199082427. The reversal of 8199082425 is 5242809918.

It is not a de Polignac number, because 8199082425 - 28 = 8199082169 is a prime.

It is a super-2 number, since 2×81990824252 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8199082427) 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, 54660475 + ... + 54660624.

Almost surely, 28199082425 is an apocalyptic number.

It is an amenable number.

8199082425 is a deficient number, since it is larger than the sum of its proper divisors (5356733975).

8199082425 is a wasteful number, since it uses less digits than its factorization.

8199082425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109321112 (or 109321107 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 8199082425 is about 90548.7847792559. The cubic root of 8199082425 is about 2016.4544562654.

The spelling of 8199082425 in words is "eight billion, one hundred ninety-nine million, eighty-two thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 109321099 327963297 546605495 1639816485 2733027475 8199082425