Base | Representation |
---|---|
bin | 1111100000001… |
… | …00101011101000 |
3 | 100001200211220121 |
4 | 13300010223220 |
5 | 231242330400 |
6 | 20523133024 |
7 | 3136225642 |
oct | 760045350 |
9 | 301624817 |
10 | 130042600 |
11 | 67450a26 |
12 | 37674174 |
13 | 20c31cac |
14 | 133b1892 |
15 | b63b21a |
hex | 7c04ae8 |
130042600 has 24 divisors (see below), whose sum is σ = 302349510. Its totient is φ = 52016960.
The previous prime is 130042589. The next prime is 130042607. The reversal of 130042600 is 6240031.
It can be written as a sum of positive squares in 3 ways, for example, as 86825124 + 43217476 = 9318^2 + 6574^2 .
It is a super-2 number, since 2×1300426002 = 33822155629520000, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (130042607) 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, 324907 + ... + 325306.
Almost surely, 2130042600 is an apocalyptic number.
130042600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130042600 is an abundant number, since it is smaller than the sum of its proper divisors (172306910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130042600 is a wasteful number, since it uses less digits than its factorization.
130042600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 650229 (or 650220 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 130042600 is about 11403.6222315543. The cubic root of 130042600 is about 506.6350299575.
Adding to 130042600 its reverse (6240031), we get a palindrome (136282631).
The spelling of 130042600 in words is "one hundred thirty million, forty-two thousand, six hundred".
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