Base | Representation |
---|---|
bin | 101000100111111010… |
… | …0010100111111110000 |
3 | 22100011210120010011200 |
4 | 1101033310110333300 |
5 | 2412131021312342 |
6 | 104024331011200 |
7 | 6205564463436 |
oct | 1211764247760 |
9 | 270153503150 |
10 | 87238463472 |
11 | 33aa79248a6 |
12 | 14aa7b99b00 |
13 | 82c39713b4 |
14 | 431824ad56 |
15 | 2408bdd94c |
hex | 144fd14ff0 |
87238463472 has 30 divisors (see below), whose sum is σ = 244146533592. Its totient is φ = 29079487776.
The previous prime is 87238463453. The next prime is 87238463483. The reversal of 87238463472 is 27436483278.
It is a happy number.
87238463472 is a `hidden beast` number, since 87 + 2 + 38 + 4 + 63 + 472 = 666.
It is a super-2 number, since 2×872384634722 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302911188 + ... + 302911475.
Almost surely, 287238463472 is an apocalyptic number.
It is an amenable number.
87238463472 is an abundant number, since it is smaller than the sum of its proper divisors (156908070120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87238463472 is a wasteful number, since it uses less digits than its factorization.
87238463472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 605822677 (or 605822668 counting only the distinct ones).
The product of its digits is 10838016, while the sum is 54.
The spelling of 87238463472 in words is "eighty-seven billion, two hundred thirty-eight million, four hundred sixty-three thousand, four hundred seventy-two".
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