Base | Representation |
---|---|
bin | 11011111111000101… |
… | …011001101010011000 |
3 | 2212120012021011201120 |
4 | 123333011121222120 |
5 | 443020122102223 |
6 | 21445435045240 |
7 | 2112436524264 |
oct | 337705315230 |
9 | 85505234646 |
10 | 30049409688 |
11 | 11820121291 |
12 | 59a75a0820 |
13 | 2aab6a48bc |
14 | 1650c2b0a4 |
15 | bad138be3 |
hex | 6ff159a98 |
30049409688 has 16 divisors (see below), whose sum is σ = 75123524280. Its totient is φ = 10016469888.
The previous prime is 30049409651. The next prime is 30049409699. The reversal of 30049409688 is 88690494003.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 30049409688.
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, 626029345 + ... + 626029392.
Almost surely, 230049409688 is an apocalyptic number.
It is an amenable number.
30049409688 is an abundant number, since it is smaller than the sum of its proper divisors (45074114592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30049409688 is a wasteful number, since it uses less digits than its factorization.
30049409688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1252058746 (or 1252058742 counting only the distinct ones).
The product of its (nonzero) digits is 1492992, while the sum is 51.
The spelling of 30049409688 in words is "thirty billion, forty-nine million, four hundred nine thousand, six hundred eighty-eight".
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