Base | Representation |
---|---|
bin | 100001010010101111… |
… | …0110111011010001010 |
3 | 20211112122222101120222 |
4 | 1002211132313122022 |
5 | 2132410411334100 |
6 | 52502243150042 |
7 | 5110506226550 |
oct | 1024536673212 |
9 | 224478871528 |
10 | 71495808650 |
11 | 2835957a272 |
12 | 11a33975322 |
13 | 69852ccc26 |
14 | 3663547bd0 |
15 | 1cd6acd485 |
hex | 10a57b768a |
71495808650 has 96 divisors (see below), whose sum is σ = 153740695680. Its totient is φ = 24229912320.
The previous prime is 71495808611. The next prime is 71495808673. The reversal of 71495808650 is 5680859417.
It is a super-2 number, since 2×714958086502 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 71495808592 and 71495808601.
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 47 ways as a sum of consecutive naturals, for example, 17814044 + ... + 17818056.
It is an arithmetic number, because the mean of its divisors is an integer number (1601465580).
Almost surely, 271495808650 is an apocalyptic number.
71495808650 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
71495808650 is an abundant number, since it is smaller than the sum of its proper divisors (82244887030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71495808650 is a wasteful number, since it uses less digits than its factorization.
71495808650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4608 (or 4603 counting only the distinct ones).
The product of its (nonzero) digits is 2419200, while the sum is 53.
The spelling of 71495808650 in words is "seventy-one billion, four hundred ninety-five million, eight hundred eight thousand, six hundred fifty".
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