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8166768354 = 233151236451
BaseRepresentation
bin1111001101100011…
…01111111011100010
3210002011012211002000
413212301233323202
5113211143041404
63430214104430
7406244246163
oct74661577342
923064184060
108166768354
113510a22a38
1216bb04b116
13a01c63514
145768b976a
1532be8d339
hex1e6c6fee2

8166768354 has 16 divisors (see below), whose sum is σ = 18148374240. Its totient is φ = 2722256100.

The previous prime is 8166768343. The next prime is 8166768383. The reversal of 8166768354 is 4538676618.

It is a super-2 number, since 2×81667683542 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 151236451 = 8166768354 / (8 + 1 + 6 + 6 + 7 + 6 + 8 + 3 + 5 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 8166768354.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75618172 + ... + 75618279.

It is an arithmetic number, because the mean of its divisors is an integer number (1134273390).

Almost surely, 28166768354 is an apocalyptic number.

8166768354 is an abundant number, since it is smaller than the sum of its proper divisors (9981605886).

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

8166768354 is a wasteful number, since it uses less digits than its factorization.

8166768354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151236462 (or 151236456 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 8166768354 is about 90370.1740288244. The cubic root of 8166768354 is about 2013.8018975490.

The spelling of 8166768354 in words is "eight billion, one hundred sixty-six million, seven hundred sixty-eight thousand, three hundred fifty-four".

Divisors: 1 2 3 6 9 18 27 54 151236451 302472902 453709353 907418706 1361128059 2722256118 4083384177 8166768354