Base | Representation |
---|---|
bin | 100001000111010… |
… | …0110000001101110 |
3 | 2212102202211212210 |
4 | 1002032212001232 |
5 | 4233421401110 |
6 | 302131111250 |
7 | 36351244554 |
oct | 10216460156 |
9 | 2772684783 |
10 | 1111122030 |
11 | 520221477 |
12 | 270142526 |
13 | 149276175 |
14 | a77d5bd4 |
15 | 67831520 |
hex | 423a606e |
1111122030 has 64 divisors (see below), whose sum is σ = 2692343808. Its totient is φ = 293466240.
The previous prime is 1111122011. The next prime is 1111122041. The reversal of 1111122030 is 302211111.
It is a junction number, because it is equal to n+sod(n) for n = 1111121997 and 1111122015.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2053560 + ... + 2054100.
It is an arithmetic number, because the mean of its divisors is an integer number (42067872).
Almost surely, 21111122030 is an apocalyptic number.
1111122030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1111122030 is an abundant number, since it is smaller than the sum of its proper divisors (1581221778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1111122030 is a wasteful number, since it uses less digits than its factorization.
1111122030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1081.
The product of its (nonzero) digits is 12, while the sum is 12.
The square root of 1111122030 is about 33333.4971162643. The cubic root of 1111122030 is about 1035.7475613928.
Adding to 1111122030 its reverse (302211111), we get a palindrome (1413333141).
The spelling of 1111122030 in words is "one billion, one hundred eleven million, one hundred twenty-two thousand, thirty".
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