Base | Representation |
---|---|
bin | 1100010010110… |
… | …10011111011110 |
3 | 21012001121021110 |
4 | 12021122133132 |
5 | 202400143402 |
6 | 14122242450 |
7 | 2361412524 |
oct | 611323736 |
9 | 235047243 |
10 | 103131102 |
11 | 5323aa18 |
12 | 2a656426 |
13 | 1849ba29 |
14 | d9a8314 |
15 | 90c256c |
hex | 625a7de |
103131102 has 16 divisors (see below), whose sum is σ = 207577872. Its totient is φ = 34157760.
The previous prime is 103131101. The next prime is 103131137. The reversal of 103131102 is 201131301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103131101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53799 + ... + 55682.
It is an arithmetic number, because the mean of its divisors is an integer number (12973617).
Almost surely, 2103131102 is an apocalyptic number.
103131102 is an abundant number, since it is smaller than the sum of its proper divisors (104446770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103131102 is a wasteful number, since it uses less digits than its factorization.
103131102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109643.
The product of its (nonzero) digits is 18, while the sum is 12.
The square root of 103131102 is about 10155.3484430619. The cubic root of 103131102 is about 468.9536129474.
Adding to 103131102 its reverse (201131301), we get a palindrome (304262403).
The spelling of 103131102 in words is "one hundred three million, one hundred thirty-one thousand, one hundred two".
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