Base | Representation |
---|---|
bin | 100001001001001… |
… | …0111011110100010 |
3 | 2212111122002111200 |
4 | 1002102113132202 |
5 | 4234200023020 |
6 | 302204222030 |
7 | 36362534103 |
oct | 10222273642 |
9 | 2774562450 |
10 | 1112111010 |
11 | 52083750a |
12 | 27053a916 |
13 | 14953136a |
14 | a79b23aa |
15 | 67979590 |
hex | 424977a2 |
1112111010 has 24 divisors (see below), whose sum is σ = 2891488860. Its totient is φ = 296562912.
The previous prime is 1112111009. The next prime is 1112111023. The reversal of 1112111010 is 101112111.
It can be written as a sum of positive squares in 2 ways, for example, as 1111088889 + 1022121 = 33333^2 + 1011^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 1112110983 and 1112111001.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6178305 + ... + 6178484.
Almost surely, 21112111010 is an apocalyptic number.
1112111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1112111010 is an abundant number, since it is smaller than the sum of its proper divisors (1779377850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1112111010 is a wasteful number, since it uses less digits than its factorization.
1112111010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12356802 (or 12356799 counting only the distinct ones).
The product of its (nonzero) digits is 2, while the sum is 9.
The square root of 1112111010 is about 33348.3284438666. The cubic root of 1112111010 is about 1036.0547673327.
Adding to 1112111010 its reverse (101112111), we get a palindrome (1213223121).
The spelling of 1112111010 in words is "one billion, one hundred twelve million, one hundred eleven thousand, ten".
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