Base | Representation |
---|---|
bin | 11100100110001110… |
… | …010011001111111001 |
3 | 2221020221212011120100 |
4 | 130212032103033321 |
5 | 1000341222213022 |
6 | 22034533150013 |
7 | 2134632103503 |
oct | 344616231771 |
9 | 87227764510 |
10 | 30706054137 |
11 | 12027848a50 |
12 | 5b4b48b309 |
13 | 2b84744005 |
14 | 16b411ad73 |
15 | beaae51ac |
hex | 7263933f9 |
30706054137 has 48 divisors (see below), whose sum is σ = 50235756480. Its totient is φ = 17902684800.
The previous prime is 30706054121. The next prime is 30706054199. The reversal of 30706054137 is 73145060703.
30706054137 is a `hidden beast` number, since 3 + 0 + 7 + 0 + 605 + 41 + 3 + 7 = 666.
It is not a de Polignac number, because 30706054137 - 24 = 30706054121 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30706054237) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 775962 + ... + 814572.
It is an arithmetic number, because the mean of its divisors is an integer number (1046578260).
Almost surely, 230706054137 is an apocalyptic number.
It is an amenable number.
30706054137 is a deficient number, since it is larger than the sum of its proper divisors (19529702343).
30706054137 is a wasteful number, since it uses less digits than its factorization.
30706054137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38934 (or 38931 counting only the distinct ones).
The product of its (nonzero) digits is 52920, while the sum is 36.
The spelling of 30706054137 in words is "thirty billion, seven hundred six million, fifty-four thousand, one hundred thirty-seven".
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