Base | Representation |
---|---|
bin | 100001001111111100… |
… | …0010110101011010001 |
3 | 20211022010010122001001 |
4 | 1002133320112223101 |
5 | 2132212331431100 |
6 | 52445044542001 |
7 | 5105255341624 |
oct | 1023770265321 |
9 | 224263118031 |
10 | 71401827025 |
11 | 28310519501 |
12 | 11a083b1901 |
13 | 696b9b58b9 |
14 | 3654c81dbb |
15 | 1ccd716d6a |
hex | 109fe16ad1 |
71401827025 has 12 divisors (see below), whose sum is σ = 88548051312. Its totient is φ = 57115148240.
The previous prime is 71401827011. The next prime is 71401827031. The reversal of 71401827025 is 52072810417.
It is not a de Polignac number, because 71401827025 - 213 = 71401818833 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79902 + ... + 386248.
It is an arithmetic number, because the mean of its divisors is an integer number (7379004276).
Almost surely, 271401827025 is an apocalyptic number.
It is an amenable number.
71401827025 is a deficient number, since it is larger than the sum of its proper divisors (17146224287).
71401827025 is a wasteful number, since it uses less digits than its factorization.
71401827025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 315680 (or 315675 counting only the distinct ones).
The product of its (nonzero) digits is 31360, while the sum is 37.
The spelling of 71401827025 in words is "seventy-one billion, four hundred one million, eight hundred twenty-seven thousand, twenty-five".
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