Base | Representation |
---|---|
bin | 111101000000101101… |
… | …0011001110011111010 |
3 | 110112012000121211120211 |
4 | 1322001122121303322 |
5 | 4121312132414320 |
6 | 140105001341334 |
7 | 12315542222623 |
oct | 1720132316372 |
9 | 415160554524 |
10 | 131020201210 |
11 | 50624540428 |
12 | 2148649784a |
13 | c4803658a2 |
14 | 64acb94a4a |
15 | 361c6d555a |
hex | 1e81699cfa |
131020201210 has 16 divisors (see below), whose sum is σ = 236733083136. Its totient is φ = 52208809168.
The previous prime is 131020201199. The next prime is 131020201223. The reversal of 131020201210 is 12102020131.
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, 24906154 + ... + 24911413.
It is an arithmetic number, because the mean of its divisors is an integer number (14795817696).
Almost surely, 2131020201210 is an apocalyptic number.
131020201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131020201210 is a deficient number, since it is larger than the sum of its proper divisors (105712881926).
131020201210 is a wasteful number, since it uses less digits than its factorization.
131020201210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49817837.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 131020201210 its reverse (12102020131), we get a palindrome (143122221341).
The spelling of 131020201210 in words is "one hundred thirty-one billion, twenty million, two hundred one thousand, two hundred ten".
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