Base | Representation |
---|---|
bin | 100001000100101000… |
… | …1000100101010010110 |
3 | 20210022200020022100121 |
4 | 1002021101010222112 |
5 | 2130423220241440 |
6 | 52343253102154 |
7 | 5063000462446 |
oct | 1021121045226 |
9 | 223280208317 |
10 | 71022430870 |
11 | 28136346566 |
12 | 1192132795a |
13 | 690b209531 |
14 | 361a722126 |
15 | 1caa27334a |
hex | 1089444a96 |
71022430870 has 16 divisors (see below), whose sum is σ = 128188721088. Its totient is φ = 28331562240.
The previous prime is 71022430859. The next prime is 71022430907. The reversal of 71022430870 is 7803422017.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9672411 + ... + 9679750.
It is an arithmetic number, because the mean of its divisors is an integer number (8011795068).
Almost surely, 271022430870 is an apocalyptic number.
71022430870 is a deficient number, since it is larger than the sum of its proper divisors (57166290218).
71022430870 is a wasteful number, since it uses less digits than its factorization.
71022430870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19352535.
The product of its (nonzero) digits is 18816, while the sum is 34.
Adding to 71022430870 its reverse (7803422017), we get a palindrome (78825852887).
The spelling of 71022430870 in words is "seventy-one billion, twenty-two million, four hundred thirty thousand, eight hundred seventy".
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