Base | Representation |
---|---|
bin | 100101101101101001… |
… | …1000010110000000000 |
3 | 21202001020100211221200 |
4 | 1023123103002300000 |
5 | 2311331041114012 |
6 | 101112231021200 |
7 | 5564654600043 |
oct | 1133323026000 |
9 | 252036324850 |
10 | 80988613632 |
11 | 3138aa63143 |
12 | 13842b0a800 |
13 | 7838bb63b4 |
14 | 3cc41a0c5a |
15 | 21901a13dc |
hex | 12db4c2c00 |
80988613632 has 132 divisors (see below), whose sum is σ = 247609394136. Its totient is φ = 25408143360.
The previous prime is 80988613619. The next prime is 80988613639. The reversal of 80988613632 is 23631688908.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (80988613639) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101794 + ... + 415137.
Almost surely, 280988613632 is an apocalyptic number.
It is an amenable number.
80988613632 is an abundant number, since it is smaller than the sum of its proper divisors (166620780504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80988613632 is a wasteful number, since it uses less digits than its factorization.
80988613632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 516974 (or 516953 counting only the distinct ones).
The product of its (nonzero) digits is 2985984, while the sum is 54.
The spelling of 80988613632 in words is "eighty billion, nine hundred eighty-eight million, six hundred thirteen thousand, six hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •