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8105816468 = 2217683114599
BaseRepresentation
bin1111000110010010…
…01111000110010100
3202220220112010210202
413203021033012110
5113100042111333
63420155440032
7404604205661
oct74311170624
922826463722
108105816468
11348a581982
1216a2756018
139c2442209
1456c770a68
1532694d5e8
hex1e324f194

8105816468 has 12 divisors (see below), whose sum is σ = 14186104800. Its totient is φ = 4052643672.

The previous prime is 8105816447. The next prime is 8105816479. The reversal of 8105816468 is 8646185018.

It is a super-2 number, since 2×81058164682 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13433 + ... + 128031.

It is an arithmetic number, because the mean of its divisors is an integer number (1182175400).

Almost surely, 28105816468 is an apocalyptic number.

It is an amenable number.

8105816468 is a deficient number, since it is larger than the sum of its proper divisors (6080288332).

8105816468 is a wasteful number, since it uses less digits than its factorization.

8105816468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132286 (or 132284 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 8105816468 is about 90032.3079122156. The cubic root of 8105816468 is about 2008.7794432954.

The spelling of 8105816468 in words is "eight billion, one hundred five million, eight hundred sixteen thousand, four hundred sixty-eight".

Divisors: 1 2 4 17683 35366 70732 114599 229198 458396 2026454117 4052908234 8105816468