Base | Representation |
---|---|
bin | 11100011100011001… |
… | …100000101010100011 |
3 | 2220211110200202100101 |
4 | 130130121200222203 |
5 | 1000022023024030 |
6 | 22010324203231 |
7 | 2130561043141 |
oct | 343431405243 |
9 | 86743622311 |
10 | 30541220515 |
11 | 11a527a5013 |
12 | 5b04239517 |
13 | 2b59550420 |
14 | 169a290591 |
15 | bdb3d57ca |
hex | 71c660aa3 |
30541220515 has 32 divisors (see below), whose sum is σ = 40935585600. Its totient is φ = 21719308800.
The previous prime is 30541220449. The next prime is 30541220533. The reversal of 30541220515 is 51502214503.
It is not a de Polignac number, because 30541220515 - 217 = 30541089443 is a prime.
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, 712440 + ... + 754090.
It is an arithmetic number, because the mean of its divisors is an integer number (1279237050).
Almost surely, 230541220515 is an apocalyptic number.
30541220515 is a deficient number, since it is larger than the sum of its proper divisors (10394365085).
30541220515 is a wasteful number, since it uses less digits than its factorization.
30541220515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42087.
The product of its (nonzero) digits is 6000, while the sum is 28.
The spelling of 30541220515 in words is "thirty billion, five hundred forty-one million, two hundred twenty thousand, five hundred fifteen".
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