Base | Representation |
---|---|
bin | 11101110100000011010011… |
… | …101001100110011100101011 |
3 | 122012020222110000122111020001 |
4 | 131310003103221212130223 |
5 | 114141233400000312001 |
6 | 1142511501235043431 |
7 | 36422062402005511 |
oct | 3564032351463453 |
9 | 565228400574201 |
10 | 131120312510251 |
11 | 388628a3126879 |
12 | 12857bb3440577 |
13 | 58217916c619c |
14 | 245438525a4b1 |
15 | 1025b18446001 |
hex | 7740d3a6672b |
131120312510251 has 8 divisors (see below), whose sum is σ = 132780636739520. Its totient is φ = 129460002617088.
The previous prime is 131120312510197. The next prime is 131120312510281. The reversal of 131120312510251 is 152015213021131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131120312510251 - 219 = 131120311985963 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131120312510281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15460795 + ... + 22389211.
It is an arithmetic number, because the mean of its divisors is an integer number (16597579592440).
Almost surely, 2131120312510251 is an apocalyptic number.
131120312510251 is a deficient number, since it is larger than the sum of its proper divisors (1660324229269).
131120312510251 is an equidigital number, since it uses as much as digits as its factorization.
131120312510251 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7168053.
The product of its (nonzero) digits is 1800, while the sum is 28.
Adding to 131120312510251 its reverse (152015213021131), we get a palindrome (283135525531382).
The spelling of 131120312510251 in words is "one hundred thirty-one trillion, one hundred twenty billion, three hundred twelve million, five hundred ten thousand, two hundred fifty-one".
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