Base | Representation |
---|---|
bin | 110101011100010011… |
… | …101111001011111010 |
3 | 12111010010201021022200 |
4 | 311130103233023322 |
5 | 1420010103041410 |
6 | 42210030131030 |
7 | 4101003412626 |
oct | 653423571372 |
9 | 174103637280 |
10 | 57383252730 |
11 | 22377394111 |
12 | b155650a76 |
13 | 55465a251b |
14 | 2ac5132186 |
15 | 175cb653c0 |
hex | d5c4ef2fa |
57383252730 has 48 divisors (see below), whose sum is σ = 152835404904. Its totient is φ = 14928975360.
The previous prime is 57383252699. The next prime is 57383252767. The reversal of 57383252730 is 3725238375.
57383252730 is a `hidden beast` number, since 57 + 3 + 8 + 325 + 273 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 18049653801 + 39333598929 = 134349^2 + 198327^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon 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, 7771819 + ... + 7779198.
Almost surely, 257383252730 is an apocalyptic number.
57383252730 is an abundant number, since it is smaller than the sum of its proper divisors (95452152174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57383252730 is a wasteful number, since it uses less digits than its factorization.
57383252730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15551071 (or 15551068 counting only the distinct ones).
The product of its (nonzero) digits is 1058400, while the sum is 45.
The spelling of 57383252730 in words is "fifty-seven billion, three hundred eighty-three million, two hundred fifty-two thousand, seven hundred thirty".
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