Base | Representation |
---|---|
bin | 111111110000101… |
… | …0000011000001110 |
3 | 12112002201000100221 |
4 | 1333201100120032 |
5 | 13340143034040 |
6 | 552143141554 |
7 | 104005543354 |
oct | 17741203016 |
9 | 5462630327 |
10 | 2139424270 |
11 | 9a8716135 |
12 | 4b85a48ba |
13 | 281312629 |
14 | 1641cd7d4 |
15 | c7c5374a |
hex | 7f85060e |
2139424270 has 8 divisors (see below), whose sum is σ = 3850963704. Its totient is φ = 855769704.
The previous prime is 2139424253. The next prime is 2139424271. The reversal of 2139424270 is 724249312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2139424271) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106971204 + ... + 106971223.
It is an arithmetic number, because the mean of its divisors is an integer number (481370463).
Almost surely, 22139424270 is an apocalyptic number.
2139424270 is a deficient number, since it is larger than the sum of its proper divisors (1711539434).
2139424270 is a wasteful number, since it uses less digits than its factorization.
2139424270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 213942434.
The product of its (nonzero) digits is 24192, while the sum is 34.
The square root of 2139424270 is about 46253.9108616774. The cubic root of 2139424270 is about 1288.5431683924.
It can be divided in two parts, 2139 and 424270, that added together give a square (426409 = 6532).
The spelling of 2139424270 in words is "two billion, one hundred thirty-nine million, four hundred twenty-four thousand, two hundred seventy".
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