Base | Representation |
---|---|
bin | 111101010001000111… |
… | …0101011010110111010 |
3 | 110120121101121220111112 |
4 | 1322202032223112322 |
5 | 4123424104303412 |
6 | 140235350200322 |
7 | 12335306065466 |
oct | 1724216532672 |
9 | 416541556445 |
10 | 131570775482 |
11 | 508872aaa93 |
12 | 215ba9530a2 |
13 | c53a447593 |
14 | 6521d534a6 |
15 | 3650bdd722 |
hex | 1ea23ab5ba |
131570775482 has 4 divisors (see below), whose sum is σ = 197356163226. Its totient is φ = 65785387740.
The previous prime is 131570775481. The next prime is 131570775491. The reversal of 131570775482 is 284577075131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 284577075131 = 107 ⋅2659598833.
It can be written as a sum of positive squares in only one way, i.e., 113118541561 + 18452233921 = 336331^2 + 135839^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 131570775482.
It is not an unprimeable number, because it can be changed into a prime (131570775481) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32892693869 + ... + 32892693872.
Almost surely, 2131570775482 is an apocalyptic number.
131570775482 is a deficient number, since it is larger than the sum of its proper divisors (65785387744).
131570775482 is an equidigital number, since it uses as much as digits as its factorization.
131570775482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65785387743.
The product of its (nonzero) digits is 1646400, while the sum is 50.
The spelling of 131570775482 in words is "one hundred thirty-one billion, five hundred seventy million, seven hundred seventy-five thousand, four hundred eighty-two".
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