Base | Representation |
---|---|
bin | 1100010010101… |
… | …00001001001100 |
3 | 21012000021121102 |
4 | 12021110021030 |
5 | 202343330400 |
6 | 14121522232 |
7 | 2361243650 |
oct | 611241114 |
9 | 235007542 |
10 | 103105100 |
11 | 5322242a |
12 | 2a643378 |
13 | 1848cc47 |
14 | d99ca60 |
15 | 90b99d5 |
hex | 625424c |
103105100 has 36 divisors (see below), whose sum is σ = 255702384. Its totient is φ = 35350080.
The previous prime is 103105073. The next prime is 103105103. The reversal of 103105100 is 1501301.
It is not an unprimeable number, because it can be changed into a prime (103105103) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72947 + ... + 74346.
It is an arithmetic number, because the mean of its divisors is an integer number (7102844).
Almost surely, 2103105100 is an apocalyptic number.
103105100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103105100 is an abundant number, since it is smaller than the sum of its proper divisors (152597284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103105100 is a wasteful number, since it uses less digits than its factorization.
103105100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147314 (or 147307 counting only the distinct ones).
The product of its (nonzero) digits is 15, while the sum is 11.
The square root of 103105100 is about 10154.0681502539. The cubic root of 103105100 is about 468.9141978840.
Adding to 103105100 its reverse (1501301), we get a palindrome (104606401).
The spelling of 103105100 in words is "one hundred three million, one hundred five thousand, one hundred".
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