Base | Representation |
---|---|
bin | 1111100000100… |
… | …10111111111000 |
3 | 100001210211100110 |
4 | 13300102333320 |
5 | 231301214430 |
6 | 20524304320 |
7 | 3136561623 |
oct | 760227770 |
9 | 301724313 |
10 | 130101240 |
11 | 67490a95 |
12 | 376a20a0 |
13 | 20c528a9 |
14 | 133c8dba |
15 | b64d7b0 |
hex | 7c12ff8 |
130101240 has 32 divisors (see below), whose sum is σ = 390304080. Its totient is φ = 34693632.
The previous prime is 130101239. The next prime is 130101259. The reversal of 130101240 is 42101031.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
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, 541969 + ... + 542208.
Almost surely, 2130101240 is an apocalyptic number.
130101240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130101240 is an abundant number, since it is smaller than the sum of its proper divisors (260202840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130101240 is a wasteful number, since it uses less digits than its factorization.
130101240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1084191 (or 1084187 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 130101240 is about 11406.1930546524. The cubic root of 130101240 is about 506.7111706830.
Adding to 130101240 its reverse (42101031), we get a palindrome (172202271).
The spelling of 130101240 in words is "one hundred thirty million, one hundred one thousand, two hundred forty".
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