Base | Representation |
---|---|
bin | 111110001000100010… |
… | …0001000100110111101 |
3 | 110202101222121122211200 |
4 | 1330101010020212331 |
5 | 4141231123021220 |
6 | 141144054010113 |
7 | 12432345455340 |
oct | 1742104104675 |
9 | 422358548750 |
10 | 133430282685 |
11 | 51650a092a7 |
12 | 21a39646939 |
13 | c7757711bb |
14 | 665acba457 |
15 | 370e09d890 |
hex | 1f111089bd |
133430282685 has 48 divisors (see below), whose sum is σ = 268799057280. Its totient is φ = 59962849920.
The previous prime is 133430282681. The next prime is 133430282693. The reversal of 133430282685 is 586282034331.
133430282685 is a `hidden beast` number, since 1 + 334 + 30 + 28 + 268 + 5 = 666.
It is not a de Polignac number, because 133430282685 - 22 = 133430282681 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 133430282685.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133430282681) 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 47 ways as a sum of consecutive naturals, for example, 3571146 + ... + 3608315.
It is an arithmetic number, because the mean of its divisors is an integer number (5599980360).
Almost surely, 2133430282685 is an apocalyptic number.
133430282685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
133430282685 is an abundant number, since it is smaller than the sum of its proper divisors (135368774595).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133430282685 is a wasteful number, since it uses less digits than its factorization.
133430282685 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7179538 (or 7179535 counting only the distinct ones).
The product of its (nonzero) digits is 829440, while the sum is 45.
The spelling of 133430282685 in words is "one hundred thirty-three billion, four hundred thirty million, two hundred eighty-two thousand, six hundred eighty-five".
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