Base | Representation |
---|---|
bin | 1001111001110100010… |
… | …1010001101100010000 |
3 | 121021011021210100110222 |
4 | 2132131011101230100 |
5 | 10241421104140030 |
6 | 210054424012212 |
7 | 15202130514563 |
oct | 2363505215420 |
9 | 537137710428 |
10 | 170139130640 |
11 | 66179116076 |
12 | 28b83301068 |
13 | 13075a1b7cb |
14 | 83403324da |
15 | 465bb7e3e5 |
hex | 279d151b10 |
170139130640 has 40 divisors (see below), whose sum is σ = 398228362200. Its totient is φ = 67598898176.
The previous prime is 170139130627. The next prime is 170139130673. The reversal of 170139130640 is 46031931071.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 3436773376 + 166702357264 = 58624^2 + 408292^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 170139130640.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 7124789 + ... + 7148628.
It is an arithmetic number, because the mean of its divisors is an integer number (9955709055).
Almost surely, 2170139130640 is an apocalyptic number.
170139130640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
170139130640 is an abundant number, since it is smaller than the sum of its proper divisors (228089231560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
170139130640 is a wasteful number, since it uses less digits than its factorization.
170139130640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14273579 (or 14273573 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 35.
The spelling of 170139130640 in words is "one hundred seventy billion, one hundred thirty-nine million, one hundred thirty thousand, six hundred forty".
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