Base | Representation |
---|---|
bin | 10000010011000101110110… |
… | …010111010000010110000011 |
3 | 100101210121101212210112012112 |
4 | 100103011312113100112003 |
5 | 33343404030410320231 |
6 | 412241353502245535 |
7 | 21045521305352654 |
oct | 2023056627202603 |
9 | 311717355715175 |
10 | 71680695010691 |
11 | 20926680692498 |
12 | 80582478868ab |
13 | 30cc5caa47c80 |
14 | 139b51532752b |
15 | 8448a55d292b |
hex | 4131765d0583 |
71680695010691 has 32 divisors (see below), whose sum is σ = 79254282401280. Its totient is φ = 64423590912000.
The previous prime is 71680695010627. The next prime is 71680695010777. The reversal of 71680695010691 is 19601059608617.
It is a cyclic number.
It is not a de Polignac number, because 71680695010691 - 26 = 71680695010627 is a prime.
It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 71680695010691.
It is not an unprimeable number, because it can be changed into a prime (71680695010291) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374178830 + ... + 374370348.
It is an arithmetic number, because the mean of its divisors is an integer number (2476696325040).
Almost surely, 271680695010691 is an apocalyptic number.
71680695010691 is a deficient number, since it is larger than the sum of its proper divisors (7573587390589).
71680695010691 is a wasteful number, since it uses less digits than its factorization.
71680695010691 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196367.
The product of its (nonzero) digits is 4898880, while the sum is 59.
The spelling of 71680695010691 in words is "seventy-one trillion, six hundred eighty billion, six hundred ninety-five million, ten thousand, six hundred ninety-one".
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