Base | Representation |
---|---|
bin | 11100101011110100… |
… | …101000001010100010 |
3 | 2221111111121110201200 |
4 | 130223310220022202 |
5 | 1001034244043422 |
6 | 22052130342030 |
7 | 2140152400344 |
oct | 345364501242 |
9 | 87444543650 |
10 | 30799987362 |
11 | 12075876411 |
12 | 5b76a2a916 |
13 | 2b9b0422c1 |
14 | 16c27ad294 |
15 | c03e9c2ac |
hex | 72bd282a2 |
30799987362 has 24 divisors (see below), whose sum is σ = 67220415756. Its totient is φ = 10191722496.
The previous prime is 30799987333. The next prime is 30799987409. The reversal of 30799987362 is 26378999703.
It can be written as a sum of positive squares in 2 ways, for example, as 27168599241 + 3631388121 = 164829^2 + 60261^2 .
It is a super-3 number, since 3×307999873623 (a number of 32 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 30799987362.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6242463 + ... + 6247394.
Almost surely, 230799987362 is an apocalyptic number.
30799987362 is an abundant number, since it is smaller than the sum of its proper divisors (36420428394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30799987362 is a wasteful number, since it uses less digits than its factorization.
30799987362 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12490002 (or 12489999 counting only the distinct ones).
The product of its (nonzero) digits is 30862944, while the sum is 63.
The spelling of 30799987362 in words is "thirty billion, seven hundred ninety-nine million, nine hundred eighty-seven thousand, three hundred sixty-two".
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