Base | Representation |
---|---|
bin | 11100011101001110… |
… | …001011000001100001 |
3 | 2220212102200010020022 |
4 | 130131032023001201 |
5 | 1000034041304010 |
6 | 22011540123225 |
7 | 2131116301004 |
oct | 343516130141 |
9 | 86772603208 |
10 | 30555025505 |
11 | 11a5a5739a4 |
12 | 5b08996515 |
13 | 2b5c374b64 |
14 | 169c04553b |
15 | bdc710d55 |
hex | 71d38b061 |
30555025505 has 16 divisors (see below), whose sum is σ = 37184140800. Its totient is φ = 24100641600.
The previous prime is 30555025451. The next prime is 30555025513. The reversal of 30555025505 is 50552055503.
It is not a de Polignac number, because 30555025505 - 224 = 30538248289 is a prime.
It is a super-2 number, since 2×305550255052 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5885 + ... + 247274.
It is an arithmetic number, because the mean of its divisors is an integer number (2324008800).
Almost surely, 230555025505 is an apocalyptic number.
It is an amenable number.
30555025505 is a deficient number, since it is larger than the sum of its proper divisors (6629115295).
30555025505 is a wasteful number, since it uses less digits than its factorization.
30555025505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 253504.
The product of its (nonzero) digits is 93750, while the sum is 35.
The spelling of 30555025505 in words is "thirty billion, five hundred fifty-five million, twenty-five thousand, five hundred five".
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