Base | Representation |
---|---|
bin | 11100011011100011… |
… | …100100000000000000 |
3 | 2220210111002021000100 |
4 | 130123203210000000 |
5 | 1000004413002100 |
6 | 22005101122400 |
7 | 2130326612400 |
oct | 343343440000 |
9 | 86714067010 |
10 | 30527078400 |
11 | 11a45815915 |
12 | 5abb559400 |
13 | 2b5663b400 |
14 | 169844c800 |
15 | bda040400 |
hex | 71b8e4000 |
30527078400 has 1215 divisors, whose sum is σ = 137742408531. Its totient is φ = 6440878080.
The previous prime is 30527078389. The next prime is 30527078411. The reversal of 30527078400 is 487072503.
The square root of 30527078400 is 174720.
It is a perfect power (a square), and thus also a powerful number.
30527078400 is a `hidden beast` number, since 305 + 270 + 7 + 84 + 0 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (30527078389) and next prime (30527078411).
It can be written as a sum of positive squares in 4 ways, for example, as 7868399616 + 22658678784 = 88704^2 + 150528^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2348236794 + ... + 2348236806.
Almost surely, 230527078400 is an apocalyptic number.
30527078400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30527078400 is the 174720-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30527078400
30527078400 is an abundant number, since it is smaller than the sum of its proper divisors (107215330131).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30527078400 is a wasteful number, since it uses less digits than its factorization.
30527078400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84 (or 30 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 36.
Multiplying 30527078400 by its sum of digits (36), we get a square (1098974822400 = 10483202).
30527078400 divided by its sum of digits (36) gives a square (847974400 = 291202).
The spelling of 30527078400 in words is "thirty billion, five hundred twenty-seven million, seventy-eight thousand, four hundred".
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