Base | Representation |
---|---|
bin | 101010100101110011… |
… | …000000111010011000 |
3 | 11101001002111001210112 |
4 | 222211303000322120 |
5 | 1222124202133210 |
6 | 33001512103452 |
7 | 3206156344262 |
oct | 524563007230 |
9 | 141032431715 |
10 | 45731286680 |
11 | 18438134602 |
12 | 8a43394b88 |
13 | 440a586061 |
14 | 22db82cb32 |
15 | 12c9c40d05 |
hex | aa5cc0e98 |
45731286680 has 64 divisors (see below), whose sum is σ = 107081352000. Its totient is φ = 17555905024.
The previous prime is 45731286589. The next prime is 45731286691. The reversal of 45731286680 is 8668213754.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75686 + ... + 311754.
It is an arithmetic number, because the mean of its divisors is an integer number (1673146125).
Almost surely, 245731286680 is an apocalyptic number.
45731286680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 45731286680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53540676000).
45731286680 is an abundant number, since it is smaller than the sum of its proper divisors (61350065320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45731286680 is a wasteful number, since it uses less digits than its factorization.
45731286680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 236276 (or 236272 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 50.
The spelling of 45731286680 in words is "forty-five billion, seven hundred thirty-one million, two hundred eighty-six thousand, six hundred eighty".
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