Base | Representation |
---|---|
bin | 10010010010011011010001… |
… | …000111100101111011100000 |
3 | 101112210010122021121101110222 |
4 | 102102123101013211323200 |
5 | 41020240310344412113 |
6 | 443021304401142212 |
7 | 22640644536562115 |
oct | 2222332107457340 |
9 | 345703567541428 |
10 | 80431066013408 |
11 | 2369a694a27190 |
12 | 90300b532a968 |
13 | 35b58036768c6 |
14 | 15c0c549b490c |
15 | 9472e382be08 |
hex | 4926d11e5ee0 |
80431066013408 has 24 divisors (see below), whose sum is σ = 172743994052280. Its totient is φ = 36559575460480.
The previous prime is 80431066013401. The next prime is 80431066013429.
80431066013408 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80431066013401) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114248672963 + ... + 114248673666.
It is an arithmetic number, because the mean of its divisors is an integer number (7197666418845).
Almost surely, 280431066013408 is an apocalyptic number.
80431066013408 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
80431066013408 is an abundant number, since it is smaller than the sum of its proper divisors (92312928038872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80431066013408 is a wasteful number, since it uses less digits than its factorization.
80431066013408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 228497346650 (or 228497346642 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 44.
The spelling of 80431066013408 in words is "eighty trillion, four hundred thirty-one billion, sixty-six million, thirteen thousand, four hundred eight".
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