Base | Representation |
---|---|
bin | 11101111000011010101001… |
… | …011100110111100101111011 |
3 | 122020022122122100011111001221 |
4 | 131320122221130313211323 |
5 | 114211142134033142001 |
6 | 1143301344100252511 |
7 | 36452541235440652 |
oct | 3570325134674573 |
9 | 566278570144057 |
10 | 131420252240251 |
11 | 3896901a2a8357 |
12 | 128a61606a1137 |
13 | 5843b51bb1c70 |
14 | 2464aba390199 |
15 | 102d82069c1a1 |
hex | 7786a973797b |
131420252240251 has 8 divisors (see below), whose sum is σ = 141788240084624. Its totient is φ = 121089226920480.
The previous prime is 131420252240239. The next prime is 131420252240261. The reversal of 131420252240251 is 152042252024131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131420252240251 - 229 = 131419715369339 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131420252240261) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9240623760 + ... + 9240637981.
It is an arithmetic number, because the mean of its divisors is an integer number (17723530010578).
Almost surely, 2131420252240251 is an apocalyptic number.
131420252240251 is a deficient number, since it is larger than the sum of its proper divisors (10367987844373).
131420252240251 is a wasteful number, since it uses less digits than its factorization.
131420252240251 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18481262301.
The product of its (nonzero) digits is 38400, while the sum is 34.
The spelling of 131420252240251 in words is "one hundred thirty-one trillion, four hundred twenty billion, two hundred fifty-two million, two hundred forty thousand, two hundred fifty-one".
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