Base | Representation |
---|---|
bin | 100001000100011010… |
… | …1000010001101100000 |
3 | 20210022011101212221210 |
4 | 1002020311002031200 |
5 | 2130414330041200 |
6 | 52342431350120 |
7 | 5062551140616 |
oct | 1021065021540 |
9 | 223264355853 |
10 | 71015080800 |
11 | 28132186324 |
12 | 1191a982340 |
13 | 6909834b91 |
14 | 361976b6b6 |
15 | 1ca97c0650 |
hex | 1088d42360 |
71015080800 has 72 divisors (see below), whose sum is σ = 231154095816. Its totient is φ = 18937354240.
The previous prime is 71015080777. The next prime is 71015080817. The reversal of 71015080800 is 808051017.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14792409 + ... + 14797208.
It is an arithmetic number, because the mean of its divisors is an integer number (3210473553).
Almost surely, 271015080800 is an apocalyptic number.
It is an amenable number.
71015080800 is an abundant number, since it is smaller than the sum of its proper divisors (160139015016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71015080800 is a wasteful number, since it uses less digits than its factorization.
71015080800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29589640 (or 29589627 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 30.
The spelling of 71015080800 in words is "seventy-one billion, fifteen million, eighty thousand, eight hundred".
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