Base | Representation |
---|---|
bin | 1011100101110100… |
… | …1000010001010100 |
3 | 22000211200120020021 |
4 | 2321131020101110 |
5 | 22333010433022 |
6 | 1232424314524 |
7 | 140050433200 |
oct | 27135102124 |
9 | 8024616207 |
10 | 3111421012 |
11 | 1357352727 |
12 | 72a012a44 |
13 | 3a77c662b |
14 | 21732bb00 |
15 | 1332527c7 |
hex | b9748454 |
3111421012 has 36 divisors (see below), whose sum is σ = 6340644660. Its totient is φ = 1332059904.
The previous prime is 3111420953. The next prime is 3111421031. The reversal of 3111421012 is 2101241113.
It can be written as a sum of positive squares in 2 ways, for example, as 607819716 + 2503601296 = 24654^2 + 50036^2 .
It is a congruent number.
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, 189898 + ... + 205630.
Almost surely, 23111421012 is an apocalyptic number.
It is an amenable number.
3111421012 is an abundant number, since it is smaller than the sum of its proper divisors (3229223648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3111421012 is a wasteful number, since it uses less digits than its factorization.
3111421012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16760 (or 16751 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 16.
The square root of 3111421012 is about 55780.1130511583. The cubic root of 3111421012 is about 1459.8881837178. Note that the first 3 decimals are identical.
Adding to 3111421012 its reverse (2101241113), we get a palindrome (5212662125).
The spelling of 3111421012 in words is "three billion, one hundred eleven million, four hundred twenty-one thousand, twelve".
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