Base | Representation |
---|---|
bin | 100001100000100001… |
… | …0000101101011100000 |
3 | 20212201212201111221020 |
4 | 1003001002011223200 |
5 | 2134332223330401 |
6 | 53020154125440 |
7 | 5125121065053 |
oct | 1030102055340 |
9 | 225655644836 |
10 | 71958026976 |
11 | 28576480790 |
12 | 11b42720880 |
13 | 6a29cb70b4 |
14 | 36a8aa6a9a |
15 | 1d12481d36 |
hex | 10c1085ae0 |
71958026976 has 48 divisors (see below), whose sum is σ = 206061625728. Its totient is φ = 21805462400.
The previous prime is 71958026969. The next prime is 71958026977. The reversal of 71958026976 is 67962085917.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71958026977) 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, 34069980 + ... + 34072091.
It is an arithmetic number, because the mean of its divisors is an integer number (4292950536).
Almost surely, 271958026976 is an apocalyptic number.
It is an amenable number.
71958026976 is an abundant number, since it is smaller than the sum of its proper divisors (134103598752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71958026976 is a wasteful number, since it uses less digits than its factorization.
71958026976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68142095 (or 68142087 counting only the distinct ones).
The product of its (nonzero) digits is 11430720, while the sum is 60.
The spelling of 71958026976 in words is "seventy-one billion, nine hundred fifty-eight million, twenty-six thousand, nine hundred seventy-six".
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