Base | Representation |
---|---|
bin | 11100011010100010… |
… | …100101100001000001 |
3 | 2220202022000212220220 |
4 | 130122202211201001 |
5 | 444441032421444 |
6 | 22003252053253 |
7 | 2130032051145 |
oct | 343242454101 |
9 | 86668025826 |
10 | 30510045249 |
11 | 11a37141632 |
12 | 5ab5904229 |
13 | 2b52c56518 |
14 | 1696097225 |
15 | bd87c8619 |
hex | 71a8a5841 |
30510045249 has 16 divisors (see below), whose sum is σ = 41440170240. Its totient is φ = 19961152400.
The previous prime is 30510045179. The next prime is 30510045257. The reversal of 30510045249 is 94254001503.
It is a cyclic number.
It is not a de Polignac number, because 30510045249 - 212 = 30510041153 is a prime.
It is a super-2 number, since 2×305100452492 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30510045149) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42927 + ... + 250724.
It is an arithmetic number, because the mean of its divisors is an integer number (2590010640).
Almost surely, 230510045249 is an apocalyptic number.
It is an amenable number.
30510045249 is a deficient number, since it is larger than the sum of its proper divisors (10930124991).
30510045249 is a wasteful number, since it uses less digits than its factorization.
30510045249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294300.
The product of its (nonzero) digits is 21600, while the sum is 33.
The spelling of 30510045249 in words is "thirty billion, five hundred ten million, forty-five thousand, two hundred forty-nine".
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