Base | Representation |
---|---|
bin | 111101000000101110… |
… | …1111010100111101110 |
3 | 110112012002100121201021 |
4 | 1322001131322213232 |
5 | 4121312401401110 |
6 | 140105033204354 |
7 | 12315553106341 |
oct | 1720135724756 |
9 | 415162317637 |
10 | 131021122030 |
11 | 5062500a237 |
12 | 214868606ba |
13 | c4805c8a56 |
14 | 64acd54458 |
15 | 361c8182da |
hex | 1e8177a9ee |
131021122030 has 8 divisors (see below), whose sum is σ = 235838019672. Its totient is φ = 52408448808.
The previous prime is 131021122003. The next prime is 131021122061. The reversal of 131021122030 is 30221120131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 131021121995 and 131021122013.
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, 6551056092 + ... + 6551056111.
It is an arithmetic number, because the mean of its divisors is an integer number (29479752459).
Almost surely, 2131021122030 is an apocalyptic number.
131021122030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131021122030 is a deficient number, since it is larger than the sum of its proper divisors (104816897642).
131021122030 is a wasteful number, since it uses less digits than its factorization.
131021122030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13102112210.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 131021122030 its reverse (30221120131), we get a palindrome (161242242161).
The spelling of 131021122030 in words is "one hundred thirty-one billion, twenty-one million, one hundred twenty-two thousand, thirty".
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