Base | Representation |
---|---|
bin | 11100010111110010… |
… | …001010101000010100 |
3 | 2220122002000021022200 |
4 | 130113302022220110 |
5 | 444342213012110 |
6 | 21554520524500 |
7 | 2125631002653 |
oct | 342762125024 |
9 | 86562007280 |
10 | 30463797780 |
11 | 11a13024189 |
12 | 5aa2320730 |
13 | 2b464b3160 |
14 | 168dc9919a |
15 | bd46e06c0 |
hex | 717c8aa14 |
30463797780 has 72 divisors (see below), whose sum is σ = 99515080392. Its totient is φ = 7498780416.
The previous prime is 30463797733. The next prime is 30463797797. The reversal of 30463797780 is 8779736403.
It is a happy number.
30463797780 is a `hidden beast` number, since 30 + 463 + 7 + 9 + 77 + 80 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 81216144 + 30382581636 = 9012^2 + 174306^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6507019 + ... + 6511698.
Almost surely, 230463797780 is an apocalyptic number.
30463797780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30463797780 is an abundant number, since it is smaller than the sum of its proper divisors (69051282612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30463797780 is a wasteful number, since it uses less digits than its factorization.
30463797780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13018745 (or 13018740 counting only the distinct ones).
The product of its (nonzero) digits is 5334336, while the sum is 54.
The spelling of 30463797780 in words is "thirty billion, four hundred sixty-three million, seven hundred ninety-seven thousand, seven hundred eighty".
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