Base | Representation |
---|---|
bin | 11100101011010000… |
… | …111100110111001001 |
3 | 2221110212000022122011 |
4 | 130223100330313021 |
5 | 1001024400304303 |
6 | 22051154055521 |
7 | 2140010036011 |
oct | 345320746711 |
9 | 87425008564 |
10 | 30790634953 |
11 | 12070568851 |
12 | 5b7387a5a1 |
13 | 2b99119430 |
14 | 16c1456c41 |
15 | c0325116d |
hex | 72b43cdc9 |
30790634953 has 4 divisors (see below), whose sum is σ = 33159145348. Its totient is φ = 28422124560.
The previous prime is 30790634939. The next prime is 30790634989. The reversal of 30790634953 is 35943609703.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2696517184 + 28094117769 = 51928^2 + 167613^2 .
It is a cyclic number.
It is not a de Polignac number, because 30790634953 - 213 = 30790626761 is a prime.
It is a super-3 number, since 3×307906349533 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30790634897 and 30790634906.
It is not an unprimeable number, because it can be changed into a prime (30790634353) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1184255178 + ... + 1184255203.
It is an arithmetic number, because the mean of its divisors is an integer number (8289786337).
Almost surely, 230790634953 is an apocalyptic number.
It is an amenable number.
30790634953 is a deficient number, since it is larger than the sum of its proper divisors (2368510395).
30790634953 is a wasteful number, since it uses less digits than its factorization.
30790634953 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2368510394.
The product of its (nonzero) digits is 1837080, while the sum is 49.
The spelling of 30790634953 in words is "thirty billion, seven hundred ninety million, six hundred thirty-four thousand, nine hundred fifty-three".
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