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8106122892 = 2237157614659
BaseRepresentation
bin1111000110010100…
…11001111010001100
3202220221002201010210
413203022121322030
5113100131413032
63420210202420
7404606623230
oct74312317214
922827081123
108106122892
11348a77111a
1216a2883410
139c251b82a
1456c8105c0
153269ae2cc
hex1e3299e8c

8106122892 has 48 divisors (see below), whose sum is σ = 21754046720. Its totient is φ = 2301279552.

The previous prime is 8106122881. The next prime is 8106122897. The reversal of 8106122892 is 2982216018.

It is a self number, because there is not a number n which added to its sum of digits gives 8106122892.

It is not an unprimeable number, because it can be changed into a prime (8106122897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294142 + ... + 320517.

Almost surely, 28106122892 is an apocalyptic number.

It is an amenable number.

8106122892 is an abundant number, since it is smaller than the sum of its proper divisors (13647923828).

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

8106122892 is a wasteful number, since it uses less digits than its factorization.

8106122892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614830 (or 614828 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 8106122892 is about 90034.0096408018. The cubic root of 8106122892 is about 2008.8047555914.

The spelling of 8106122892 in words is "eight billion, one hundred six million, one hundred twenty-two thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 157 314 471 628 942 1099 1884 2198 3297 4396 6594 13188 614659 1229318 1843977 2458636 3687954 4302613 7375908 8605226 12907839 17210452 25815678 51631356 96501463 193002926 289504389 386005852 579008778 675510241 1158017556 1351020482 2026530723 2702040964 4053061446 8106122892