Base | Representation |
---|---|
bin | 1100010010110… |
… | …10010000001000 |
3 | 21012001112221002 |
4 | 12021122100020 |
5 | 202400130440 |
6 | 14122234132 |
7 | 2361406622 |
oct | 611322010 |
9 | 235045832 |
10 | 103130120 |
11 | 5323a205 |
12 | 2a655948 |
13 | 1849b452 |
14 | d9a7c12 |
15 | 90c2115 |
hex | 625a408 |
103130120 has 16 divisors (see below), whose sum is σ = 232042860. Its totient is φ = 41252032.
The previous prime is 103130117. The next prime is 103130123. The reversal of 103130120 is 21031301.
It is an interprime number because it is at equal distance from previous prime (103130117) and next prime (103130123).
It can be written as a sum of positive squares in 2 ways, for example, as 98049604 + 5080516 = 9902^2 + 2254^2 .
It is not an unprimeable number, because it can be changed into a prime (103130123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289087 + ... + 1289166.
Almost surely, 2103130120 is an apocalyptic number.
103130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103130120 is an abundant number, since it is smaller than the sum of its proper divisors (128912740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103130120 is a wasteful number, since it uses less digits than its factorization.
103130120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2578264 (or 2578260 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 103130120 is about 10155.3000940396. The cubic root of 103130120 is about 468.9521245057.
Adding to 103130120 its reverse (21031301), we get a palindrome (124161421).
The spelling of 103130120 in words is "one hundred three million, one hundred thirty thousand, one hundred twenty".
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