Base | Representation |
---|---|
bin | 100101101000100101… |
… | …1000111000101010111 |
3 | 21201121101202111102010 |
4 | 1023101023013011113 |
5 | 2311004100341241 |
6 | 101043322315303 |
7 | 5560523100015 |
oct | 1132113070527 |
9 | 251541674363 |
10 | 80818762071 |
11 | 313030a2153 |
12 | 137b6058b33 |
13 | 780c956808 |
14 | 3ca97c98b5 |
15 | 21802eed16 |
hex | 12d12c7157 |
80818762071 has 8 divisors (see below), whose sum is σ = 111234425344. Its totient is φ = 52141136760.
The previous prime is 80818762001. The next prime is 80818762099. The reversal of 80818762071 is 17026781808.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80818762071 - 27 = 80818761943 is a prime.
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 80818762071.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80818762001) 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, 434509381 + ... + 434509566.
It is an arithmetic number, because the mean of its divisors is an integer number (13904303168).
Almost surely, 280818762071 is an apocalyptic number.
80818762071 is a deficient number, since it is larger than the sum of its proper divisors (30415663273).
80818762071 is a wasteful number, since it uses less digits than its factorization.
80818762071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 869018981.
The product of its (nonzero) digits is 301056, while the sum is 48.
The spelling of 80818762071 in words is "eighty billion, eight hundred eighteen million, seven hundred sixty-two thousand, seventy-one".
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