Base | Representation |
---|---|
bin | 111101001000011010… |
… | …0011011001110010000 |
3 | 110112212000222222011111 |
4 | 1322100310123032100 |
5 | 4122324320242401 |
6 | 140150353423104 |
7 | 12325131243142 |
oct | 1722064331620 |
9 | 415760888144 |
10 | 131278680976 |
11 | 50747436073 |
12 | 21538b6aa94 |
13 | c4c1a86bb1 |
14 | 64d523ac92 |
15 | 3635241e51 |
hex | 1e90d1b390 |
131278680976 has 45 divisors (see below), whose sum is σ = 256096846011. Its totient is φ = 65192232672.
The previous prime is 131278680937. The next prime is 131278680979. The reversal of 131278680976 is 679086872131.
The square root of 131278680976 is 362324.
It is a perfect power (a square), and thus also a powerful number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131278680976.
It is not an unprimeable number, because it can be changed into a prime (131278680979) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 346381555 + ... + 346381933.
Almost surely, 2131278680976 is an apocalyptic number.
131278680976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
131278680976 is the 362324-th square number.
It is an amenable number.
131278680976 is a deficient number, since it is larger than the sum of its proper divisors (124818165035).
131278680976 is an frugal number, since it uses more digits than its factorization.
131278680976 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1244 (or 620 counting only the distinct ones).
The product of its (nonzero) digits is 6096384, while the sum is 58.
The spelling of 131278680976 in words is "one hundred thirty-one billion, two hundred seventy-eight million, six hundred eighty thousand, nine hundred seventy-six".
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