Base | Representation |
---|---|
bin | 110000000011010101… |
… | …1110111110011110001 |
3 | 100212100120210012110210 |
4 | 1200012223313303301 |
5 | 3142313443113220 |
6 | 115223325214333 |
7 | 10312115151666 |
oct | 1400653676361 |
9 | 325316705423 |
10 | 103191379185 |
11 | 3a843930564 |
12 | 17bba7013a9 |
13 | 9966a503ab |
14 | 4dccc43a6d |
15 | 2a3e4d36e0 |
hex | 1806af7cf1 |
103191379185 has 16 divisors (see below), whose sum is σ = 165467500416. Its totient is φ = 54914971008.
The previous prime is 103191379153. The next prime is 103191379217. The reversal of 103191379185 is 581973191301.
It is an interprime number because it is at equal distance from previous prime (103191379153) and next prime (103191379217).
It is not a de Polignac number, because 103191379185 - 25 = 103191379153 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7519869 + ... + 7533578.
It is an arithmetic number, because the mean of its divisors is an integer number (10341718776).
Almost surely, 2103191379185 is an apocalyptic number.
103191379185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
103191379185 is a deficient number, since it is larger than the sum of its proper divisors (62276121231).
103191379185 is a wasteful number, since it uses less digits than its factorization.
103191379185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15053912.
The product of its (nonzero) digits is 204120, while the sum is 48.
The spelling of 103191379185 in words is "one hundred three billion, one hundred ninety-one million, three hundred seventy-nine thousand, one hundred eighty-five".
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