Base | Representation |
---|---|
bin | 1100010001001… |
… | …01001111011010 |
3 | 21011122112002002 |
4 | 12020211033122 |
5 | 202321203421 |
6 | 14113441002 |
7 | 2356513601 |
oct | 610451732 |
9 | 234575062 |
10 | 102912986 |
11 | 53101060 |
12 | 2a570162 |
13 | 18423677 |
14 | d94ca38 |
15 | 907cb0b |
hex | 62253da |
102912986 has 16 divisors (see below), whose sum is σ = 171987840. Its totient is φ = 45782880.
The previous prime is 102912973. The next prime is 102913001. The reversal of 102912986 is 689219201.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48731 + ... + 50798.
It is an arithmetic number, because the mean of its divisors is an integer number (10749240).
Almost surely, 2102912986 is an apocalyptic number.
102912986 is a deficient number, since it is larger than the sum of its proper divisors (69074854).
102912986 is a wasteful number, since it uses less digits than its factorization.
102912986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99589.
The product of its (nonzero) digits is 15552, while the sum is 38.
The square root of 102912986 is about 10144.6037872359. The cubic root of 102912986 is about 468.6227768276.
The spelling of 102912986 in words is "one hundred two million, nine hundred twelve thousand, nine hundred eighty-six".
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