Base | Representation |
---|---|
bin | 111101000000101110… |
… | …1011111110100000110 |
3 | 110112012002011001002121 |
4 | 1322001131133310012 |
5 | 4121312334342410 |
6 | 140105031000154 |
7 | 12315552141253 |
oct | 1720135376406 |
9 | 415162131077 |
10 | 131021012230 |
11 | 50624a44799 |
12 | 2148680905a |
13 | c48058aa94 |
14 | 64acd2642a |
15 | 361c7e59da |
hex | 1e8175fd06 |
131021012230 has 8 divisors (see below), whose sum is σ = 235837822032. Its totient is φ = 52408404888.
The previous prime is 131021012219. The next prime is 131021012249. The reversal of 131021012230 is 32210120131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6551050602 + ... + 6551050621.
It is an arithmetic number, because the mean of its divisors is an integer number (29479727754).
Almost surely, 2131021012230 is an apocalyptic number.
131021012230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131021012230 is a deficient number, since it is larger than the sum of its proper divisors (104816809802).
131021012230 is a wasteful number, since it uses less digits than its factorization.
131021012230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13102101230.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 131021012230 its reverse (32210120131), we get a palindrome (163231132361).
The spelling of 131021012230 in words is "one hundred thirty-one billion, twenty-one million, twelve thousand, two hundred thirty".
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