Base | Representation |
---|---|
bin | 111101010000010111… |
… | …1000001101110101010 |
3 | 110120112122110000011202 |
4 | 1322200233001232222 |
5 | 4123401144420130 |
6 | 140233052524202 |
7 | 12334553004053 |
oct | 1724057015652 |
9 | 416478400152 |
10 | 131545701290 |
11 | 50874134413 |
12 | 215b2480662 |
13 | c5351a8693 |
14 | 651c8a772a |
15 | 364d8d9145 |
hex | 1ea0bc1baa |
131545701290 has 8 divisors (see below), whose sum is σ = 236782262340. Its totient is φ = 52618280512.
The previous prime is 131545701281. The next prime is 131545701317. The reversal of 131545701290 is 92107545131.
It can be written as a sum of positive squares in 2 ways, for example, as 127977192121 + 3568509169 = 357739^2 + 59737^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6577285055 + ... + 6577285074.
Almost surely, 2131545701290 is an apocalyptic number.
131545701290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131545701290 is a deficient number, since it is larger than the sum of its proper divisors (105236561050).
131545701290 is a wasteful number, since it uses less digits than its factorization.
131545701290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13154570136.
The product of its (nonzero) digits is 37800, while the sum is 38.
The spelling of 131545701290 in words is "one hundred thirty-one billion, five hundred forty-five million, seven hundred one thousand, two hundred ninety".
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