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8102018 = 2191012111
BaseRepresentation
bin11110111010000010000010
3120020121212202
4132322002002
54033231033
6445353202
7125603021
oct36720202
916217782
108102018
114634191
122868802
1318a89c2
14110c8b8
15aa08e8
hex7ba082

8102018 has 16 divisors (see below), whose sum is σ = 12925440. Its totient is φ = 3798000.

The previous prime is 8102009. The next prime is 8102041.

8102018 is nontrivially palindromic in base 10.

It is an Ulam number.

It is a Curzon number.

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, 2783 + ... + 4893.

It is an arithmetic number, because the mean of its divisors is an integer number (807840).

Almost surely, 28102018 is an apocalyptic number.

8102018 is a deficient number, since it is larger than the sum of its proper divisors (4823422).

8102018 is a wasteful number, since it uses less digits than its factorization.

8102018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 8102018 is about 2846.4043985351. The cubic root of 8102018 is about 200.8465616113.

The spelling of 8102018 in words is "eight million, one hundred two thousand, eighteen".

Divisors: 1 2 19 38 101 202 1919 2111 3838 4222 40109 80218 213211 426422 4051009 8102018