Base | Representation |
---|---|
bin | 101000110101011101… |
… | …1110010010110110000 |
3 | 22101100111121110122212 |
4 | 1101222323302112300 |
5 | 2414044002403233 |
6 | 104141421551252 |
7 | 6223060426421 |
oct | 1215273622660 |
9 | 271314543585 |
10 | 87693403568 |
11 | 34210705051 |
12 | 14bb4415528 |
13 | 8366caa814 |
14 | 435c833648 |
15 | 2433b05a48 |
hex | 146aef25b0 |
87693403568 has 40 divisors (see below), whose sum is σ = 179955053568. Its totient is φ = 41254956032.
The previous prime is 87693403561. The next prime is 87693403591. The reversal of 87693403568 is 86530439678.
It is not an unprimeable number, because it can be changed into a prime (87693403561) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881105 + ... + 975567.
Almost surely, 287693403568 is an apocalyptic number.
It is an amenable number.
87693403568 is an abundant number, since it is smaller than the sum of its proper divisors (92261650000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87693403568 is a wasteful number, since it uses less digits than its factorization.
87693403568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97901 (or 97895 counting only the distinct ones).
The product of its (nonzero) digits is 26127360, while the sum is 59.
The spelling of 87693403568 in words is "eighty-seven billion, six hundred ninety-three million, four hundred three thousand, five hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •