Base | Representation |
---|---|
bin | 1111100001010… |
… | …11110110000100 |
3 | 100001222222221210 |
4 | 13300223312010 |
5 | 231312444022 |
6 | 20530411420 |
7 | 3140464422 |
oct | 760536604 |
9 | 301888853 |
10 | 130203012 |
11 | 675504a5 |
12 | 37730b70 |
13 | 20c8a004 |
14 | 13414112 |
15 | b66da0c |
hex | 7c2bd84 |
130203012 has 24 divisors (see below), whose sum is σ = 304014816. Its totient is φ = 43371328.
The previous prime is 130202971. The next prime is 130203041. The reversal of 130203012 is 210302031.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21328 + ... + 26744.
It is an arithmetic number, because the mean of its divisors is an integer number (12667284).
Almost surely, 2130203012 is an apocalyptic number.
130203012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
130203012 is an abundant number, since it is smaller than the sum of its proper divisors (173811804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130203012 is a wasteful number, since it uses less digits than its factorization.
130203012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7427 (or 7425 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 130203012 is about 11410.6534431644. The cubic root of 130203012 is about 506.8432615799.
Adding to 130203012 its reverse (210302031), we get a palindrome (340505043).
The spelling of 130203012 in words is "one hundred thirty million, two hundred three thousand, twelve".
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