Base | Representation |
---|---|
bin | 11100001100010011… |
… | …000010111000100011 |
3 | 2220010122101201020022 |
4 | 130030103002320203 |
5 | 443443344341321 |
6 | 21523434304055 |
7 | 2121101010215 |
oct | 341423027043 |
9 | 86118351208 |
10 | 30271090211 |
11 | 1192427212a |
12 | 5a4988802b |
13 | 2b155b01cb |
14 | 16724545b5 |
15 | bc2826dab |
hex | 70c4c2e23 |
30271090211 has 16 divisors (see below), whose sum is σ = 32775260160. Its totient is φ = 27875612160.
The previous prime is 30271090183. The next prime is 30271090217. The reversal of 30271090211 is 11209017203.
It is a cyclic number.
It is not a de Polignac number, because 30271090211 - 26 = 30271090147 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30271090217) 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, 27620 + ... + 247598.
It is an arithmetic number, because the mean of its divisors is an integer number (2048453760).
Almost surely, 230271090211 is an apocalyptic number.
30271090211 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
30271090211 is a deficient number, since it is larger than the sum of its proper divisors (2504169949).
30271090211 is a wasteful number, since it uses less digits than its factorization.
30271090211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220226.
The product of its (nonzero) digits is 756, while the sum is 26.
The spelling of 30271090211 in words is "thirty billion, two hundred seventy-one million, ninety thousand, two hundred eleven".
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