Base | Representation |
---|---|
bin | 11100011011110000… |
… | …110100000110111111 |
3 | 2220210201121202020122 |
4 | 130123300310012333 |
5 | 1000011310133010 |
6 | 22005303405155 |
7 | 2130401261300 |
oct | 343360640677 |
9 | 86721552218 |
10 | 30530552255 |
11 | 11a47778875 |
12 | 5b007537bb |
13 | 2b57286648 |
14 | 1698ab47a7 |
15 | bda4c9855 |
hex | 71bc341bf |
30530552255 has 12 divisors (see below), whose sum is σ = 42618159000. Its totient is φ = 20935235664.
The previous prime is 30530552251. The next prime is 30530552317. The reversal of 30530552255 is 55225503503.
It is not a de Polignac number, because 30530552255 - 22 = 30530552251 is a prime.
It is a super-2 number, since 2×305305522552 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30530552251) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62307005 + ... + 62307494.
It is an arithmetic number, because the mean of its divisors is an integer number (3551513250).
Almost surely, 230530552255 is an apocalyptic number.
30530552255 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30530552255 is a deficient number, since it is larger than the sum of its proper divisors (12087606745).
30530552255 is a wasteful number, since it uses less digits than its factorization.
30530552255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124614518 (or 124614511 counting only the distinct ones).
The product of its (nonzero) digits is 112500, while the sum is 35.
The spelling of 30530552255 in words is "thirty billion, five hundred thirty million, five hundred fifty-two thousand, two hundred fifty-five".
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