Base | Representation |
---|---|
bin | 11101110101001110100100… |
… | …110001000101100111110100 |
3 | 122012112201001100121201121121 |
4 | 131311032210301011213310 |
5 | 114144044403330304140 |
6 | 1143012544525153324 |
7 | 36430653214041244 |
oct | 3565164461054764 |
9 | 565481040551547 |
10 | 131201130322420 |
11 | 388940a572a284 |
12 | 1286b7a90bb844 |
13 | 58292a10a9512 |
14 | 2458250879b24 |
15 | 1027c9860964a |
hex | 7753a4c459f4 |
131201130322420 has 48 divisors (see below), whose sum is σ = 290188538333568. Its totient is φ = 49729546655360.
The previous prime is 131201130322349. The next prime is 131201130322501. The reversal of 131201130322420 is 24223031102131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1332753811 + ... + 1332852250.
It is an arithmetic number, because the mean of its divisors is an integer number (6045594548616).
Almost surely, 2131201130322420 is an apocalyptic number.
131201130322420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131201130322420 is an abundant number, since it is smaller than the sum of its proper divisors (158987408011148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131201130322420 is a wasteful number, since it uses less digits than its factorization.
131201130322420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2665606200 (or 2665606198 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 131201130322420 its reverse (24223031102131), we get a palindrome (155424161424551).
The spelling of 131201130322420 in words is "one hundred thirty-one trillion, two hundred one billion, one hundred thirty million, three hundred twenty-two thousand, four hundred twenty".
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