Base | Representation |
---|---|
bin | 11100011101011010… |
… | …010111011101001011 |
3 | 2220212122200112012202 |
4 | 130131122113131023 |
5 | 1000040401102110 |
6 | 22012132430415 |
7 | 2131155413456 |
oct | 343532273513 |
9 | 86778615182 |
10 | 30558222155 |
11 | 11a6135765a |
12 | 5b09a7840b |
13 | 2b5cc23b76 |
14 | 169c63849d |
15 | bdcb430a5 |
hex | 71d69774b |
30558222155 has 24 divisors (see below), whose sum is σ = 37256354352. Its totient is φ = 24059000000.
The previous prime is 30558222151. The next prime is 30558222157. The reversal of 30558222155 is 55122285503.
It is not a de Polignac number, because 30558222155 - 22 = 30558222151 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30558222151) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62236460 + ... + 62236950.
It is an arithmetic number, because the mean of its divisors is an integer number (1552348098).
Almost surely, 230558222155 is an apocalyptic number.
30558222155 is a deficient number, since it is larger than the sum of its proper divisors (6698132197).
30558222155 is an equidigital number, since it uses as much as digits as its factorization.
30558222155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1339 (or 848 counting only the distinct ones).
The product of its (nonzero) digits is 120000, while the sum is 38.
The spelling of 30558222155 in words is "thirty billion, five hundred fifty-eight million, two hundred twenty-two thousand, one hundred fifty-five".
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