Base | Representation |
---|---|
bin | 100001000110000111… |
… | …1110000101100011100 |
3 | 20210110011021221121120 |
4 | 1002030033300230130 |
5 | 2131024014343323 |
6 | 52352240330540 |
7 | 5064145406313 |
oct | 1021417605434 |
9 | 223404257546 |
10 | 71072418588 |
11 | 28161589026 |
12 | 11936013a50 |
13 | 691868c172 |
14 | 362321527a |
15 | 1cae8495e3 |
hex | 108c3f0b1c |
71072418588 has 24 divisors (see below), whose sum is σ = 173045889408. Its totient is φ = 22660771056.
The previous prime is 71072418587. The next prime is 71072418601. The reversal of 71072418588 is 88581427017.
It is a self number, because there is not a number n which added to its sum of digits gives 71072418588.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71072418581) 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, 128754106 + ... + 128754657.
It is an arithmetic number, because the mean of its divisors is an integer number (7210245392).
Almost surely, 271072418588 is an apocalyptic number.
It is an amenable number.
71072418588 is an abundant number, since it is smaller than the sum of its proper divisors (101973470820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71072418588 is a wasteful number, since it uses less digits than its factorization.
71072418588 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 257508793 (or 257508791 counting only the distinct ones).
The product of its (nonzero) digits is 1003520, while the sum is 51.
The spelling of 71072418588 in words is "seventy-one billion, seventy-two million, four hundred eighteen thousand, five hundred eighty-eight".
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