Base | Representation |
---|---|
bin | 11011111101010110… |
… | …000101111111011010 |
3 | 2212111011100202021020 |
4 | 123331112011333122 |
5 | 442440134344010 |
6 | 21442513423310 |
7 | 2111633516511 |
oct | 337526057732 |
9 | 85434322236 |
10 | 30020231130 |
11 | 11805701a7a |
12 | 599986ab36 |
13 | 2aa5629796 |
14 | 164add3678 |
15 | baa7c3470 |
hex | 6fd585fda |
30020231130 has 32 divisors (see below), whose sum is σ = 73724105664. Its totient is φ = 7819222656.
The previous prime is 30020231077. The next prime is 30020231149. The reversal of 30020231130 is 3113202003.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11634459 + ... + 11637038.
It is an arithmetic number, because the mean of its divisors is an integer number (2303878302).
Almost surely, 230020231130 is an apocalyptic number.
30020231130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30020231130 is an abundant number, since it is smaller than the sum of its proper divisors (43703874534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30020231130 is a wasteful number, since it uses less digits than its factorization.
30020231130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23271550.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 30020231130 its reverse (3113202003), we get a palindrome (33133433133).
The spelling of 30020231130 in words is "thirty billion, twenty million, two hundred thirty-one thousand, one hundred thirty".
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