Base | Representation |
---|---|
bin | 11100011011001010… |
… | …100001010111111101 |
3 | 2220210000201202102002 |
4 | 130123022201113331 |
5 | 1000001222422140 |
6 | 22004304312045 |
7 | 2130220042340 |
oct | 343312412775 |
9 | 86700652362 |
10 | 30520514045 |
11 | 11a42041a2a |
12 | 5ab9312625 |
13 | 2b55180588 |
14 | 1697620457 |
15 | bd9695415 |
hex | 71b2a15fd |
30520514045 has 32 divisors (see below), whose sum is σ = 42556700160. Its totient is φ = 20579892480.
The previous prime is 30520514027. The next prime is 30520514053. The reversal of 30520514045 is 54041502503.
It is not a de Polignac number, because 30520514045 - 26 = 30520513981 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30520513999 and 30520514017.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 950879 + ... + 982451.
It is an arithmetic number, because the mean of its divisors is an integer number (1329896880).
Almost surely, 230520514045 is an apocalyptic number.
30520514045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30520514045 is a deficient number, since it is larger than the sum of its proper divisors (12036186115).
30520514045 is a wasteful number, since it uses less digits than its factorization.
30520514045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32045.
The product of its (nonzero) digits is 12000, while the sum is 29.
The spelling of 30520514045 in words is "thirty billion, five hundred twenty million, five hundred fourteen thousand, forty-five".
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