Base | Representation |
---|---|
bin | 1001100011011… |
… | …01110101100001 |
3 | 12120210121200211 |
4 | 10301231311201 |
5 | 131004013130 |
6 | 11541414121 |
7 | 1662123112 |
oct | 461556541 |
9 | 176717624 |
10 | 80141665 |
11 | 4126868a |
12 | 22a0a341 |
13 | 137aca06 |
14 | a902209 |
15 | 7080a2a |
hex | 4c6dd61 |
80141665 has 8 divisors (see below), whose sum is σ = 99272448. Its totient is φ = 62045040.
The previous prime is 80141657. The next prime is 80141693. The reversal of 80141665 is 56614108.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80141665 - 23 = 80141657 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258367 + ... + 258676.
It is an arithmetic number, because the mean of its divisors is an integer number (12409056).
Almost surely, 280141665 is an apocalyptic number.
It is an amenable number.
80141665 is a deficient number, since it is larger than the sum of its proper divisors (19130783).
80141665 is a wasteful number, since it uses less digits than its factorization.
80141665 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 517079.
The product of its (nonzero) digits is 5760, while the sum is 31.
The square root of 80141665 is about 8952.1877214455. The cubic root of 80141665 is about 431.1411280164.
The spelling of 80141665 in words is "eighty million, one hundred forty-one thousand, six hundred sixty-five".
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