Base | Representation |
---|---|
bin | 1000000111000111… |
… | …1001101010110010 |
3 | 12121202001102220010 |
4 | 2001301321222302 |
5 | 13424344422010 |
6 | 1000015555350 |
7 | 104646050145 |
oct | 20161715262 |
9 | 5552042803 |
10 | 2177342130 |
11 | a18064407 |
12 | 50922bb56 |
13 | 28912a532 |
14 | 16926005c |
15 | cb243620 |
hex | 81c79ab2 |
2177342130 has 16 divisors (see below), whose sum is σ = 5225621184. Its totient is φ = 580624560.
The previous prime is 2177342119. The next prime is 2177342137. The reversal of 2177342130 is 312437712.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 72578071 = 2177342130 / (2 + 1 + 7 + 7 + 3 + 4 + 2 + 1 + 3 + 0).
It is not an unprimeable number, because it can be changed into a prime (2177342137) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36289006 + ... + 36289065.
It is an arithmetic number, because the mean of its divisors is an integer number (326601324).
Almost surely, 22177342130 is an apocalyptic number.
2177342130 is an abundant number, since it is smaller than the sum of its proper divisors (3048279054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2177342130 is a wasteful number, since it uses less digits than its factorization.
2177342130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72578081.
The product of its (nonzero) digits is 7056, while the sum is 30.
The square root of 2177342130 is about 46661.9987784493. The cubic root of 2177342130 is about 1296.1110861094. Note that the first 3 decimals are identical.
Adding to 2177342130 its reverse (312437712), we get a palindrome (2489779842).
It can be divided in two parts, 21773 and 42130, that added together give a triangular number (63903 = T357).
The spelling of 2177342130 in words is "two billion, one hundred seventy-seven million, three hundred forty-two thousand, one hundred thirty".
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