Base | Representation |
---|---|
bin | 100001101100010000… |
… | …1011110100011011000 |
3 | 20220202100022002102020 |
4 | 1003120201132203120 |
5 | 2141134121200123 |
6 | 53123233134440 |
7 | 5140644653163 |
oct | 1033041364330 |
9 | 226670262366 |
10 | 72352131288 |
11 | 2875898a128 |
12 | 120326ba420 |
13 | 6a90843008 |
14 | 3705174ada |
15 | 1d36d7d7e3 |
hex | 10d885e8d8 |
72352131288 has 16 divisors (see below), whose sum is σ = 180880328280. Its totient is φ = 24117377088.
The previous prime is 72352131263. The next prime is 72352131323. The reversal of 72352131288 is 88213125327.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1507336045 + ... + 1507336092.
Almost surely, 272352131288 is an apocalyptic number.
It is an amenable number.
72352131288 is an abundant number, since it is smaller than the sum of its proper divisors (108528196992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72352131288 is a wasteful number, since it uses less digits than its factorization.
72352131288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3014672146 (or 3014672142 counting only the distinct ones).
The product of its digits is 161280, while the sum is 42.
The spelling of 72352131288 in words is "seventy-two billion, three hundred fifty-two million, one hundred thirty-one thousand, two hundred eighty-eight".
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