Base | Representation |
---|---|
bin | 1000000001010110… |
… | …0000000110001100 |
3 | 12120001110211120101 |
4 | 2000111200012030 |
5 | 13402144321030 |
6 | 553352500444 |
7 | 104233135123 |
oct | 20025400614 |
9 | 5501424511 |
10 | 2153120140 |
11 | a05420036 |
12 | 5010aa724 |
13 | 2840c94b2 |
14 | 165d56aba |
15 | c905b7ca |
hex | 8056018c |
2153120140 has 12 divisors (see below), whose sum is σ = 4521552336. Its totient is φ = 861248048.
The previous prime is 2153120131. The next prime is 2153120141. The reversal of 2153120140 is 410213512.
It is not an unprimeable number, because it can be changed into a prime (2153120141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53827984 + ... + 53828023.
It is an arithmetic number, because the mean of its divisors is an integer number (376796028).
Almost surely, 22153120140 is an apocalyptic number.
2153120140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2153120140 is an abundant number, since it is smaller than the sum of its proper divisors (2368432196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2153120140 is a wasteful number, since it uses less digits than its factorization.
2153120140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107656016 (or 107656014 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 2153120140 is about 46401.7256144640. The cubic root of 2153120140 is about 1291.2869275569.
Adding to 2153120140 its reverse (410213512), we get a palindrome (2563333652).
The spelling of 2153120140 in words is "two billion, one hundred fifty-three million, one hundred twenty thousand, one hundred forty".
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