Base | Representation |
---|---|
bin | 110010000011… |
… | …001100101100 |
3 | 220200120200001 |
4 | 302003030230 |
5 | 11324322200 |
6 | 1145114044 |
7 | 216343414 |
oct | 62031454 |
9 | 26616601 |
10 | 13120300 |
11 | 7451526 |
12 | 4488924 |
13 | 2944bbb |
14 | 1a57644 |
15 | 124276a |
hex | c8332c |
13120300 has 18 divisors (see below), whose sum is σ = 28471268. Its totient is φ = 5248080.
The previous prime is 13120297. The next prime is 13120301. The reversal of 13120300 is 302131.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (13120301) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65502 + ... + 65701.
Almost surely, 213120300 is an apocalyptic number.
13120300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13120300 is an abundant number, since it is smaller than the sum of its proper divisors (15350968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13120300 is a wasteful number, since it uses less digits than its factorization.
13120300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131217 (or 131210 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 13120300 is about 3622.1954668405. The cubic root of 13120300 is about 235.8565392584.
Adding to 13120300 its reverse (302131), we get a palindrome (13422431).
The spelling of 13120300 in words is "thirteen million, one hundred twenty thousand, three hundred".
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