Base | Representation |
---|---|
bin | 1100010000010… |
… | …11100111001010 |
3 | 21011110012002002 |
4 | 12020023213022 |
5 | 202304324020 |
6 | 14111311002 |
7 | 2355565544 |
oct | 610134712 |
9 | 234405062 |
10 | 102808010 |
11 | 5303a1a8 |
12 | 2a51b462 |
13 | 183b7956 |
14 | d922694 |
15 | 905b975 |
hex | 620b9ca |
102808010 has 16 divisors (see below), whose sum is σ = 195940296. Its totient is φ = 38704128.
The previous prime is 102808009. The next prime is 102808021. The reversal of 102808010 is 10808201.
It can be written as a sum of positive squares in 4 ways, for example, as 102677689 + 130321 = 10133^2 + 361^2 .
It is a super-4 number, since 4×1028080104 (a number of 33 digits) contains 4444 as substring.
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, 302207 + ... + 302546.
Almost surely, 2102808010 is an apocalyptic number.
102808010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102808010 is a deficient number, since it is larger than the sum of its proper divisors (93132286).
102808010 is a wasteful number, since it uses less digits than its factorization.
102808010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 604777.
The product of its (nonzero) digits is 128, while the sum is 20.
The square root of 102808010 is about 10139.4284848802. The cubic root of 102808010 is about 468.4633836587.
The spelling of 102808010 in words is "one hundred two million, eight hundred eight thousand, ten".
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