Base | Representation |
---|---|
bin | 111100001101010… |
… | …000111001000101 |
3 | 2121101200220110021 |
4 | 330031100321011 |
5 | 4032042010041 |
6 | 244122055141 |
7 | 34013536114 |
oct | 7415207105 |
9 | 2541626407 |
10 | 1010110021 |
11 | 4791a9678 |
12 | 24234a4b1 |
13 | 131369b4b |
14 | 9821dc7b |
15 | 5da2bcd1 |
hex | 3c350e45 |
1010110021 has 8 divisors (see below), whose sum is σ = 1060343424. Its totient is φ = 960402960.
The previous prime is 1010110009. The next prime is 1010110099. The reversal of 1010110021 is 1200110101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1010110021 - 227 = 875892293 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1010109986 and 1010110013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1010110001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127650 + ... + 135331.
It is an arithmetic number, because the mean of its divisors is an integer number (132542928).
Almost surely, 21010110021 is an apocalyptic number.
It is an amenable number.
1010110021 is a deficient number, since it is larger than the sum of its proper divisors (50233403).
1010110021 is a wasteful number, since it uses less digits than its factorization.
1010110021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263171.
The product of its (nonzero) digits is 2, while the sum is 7.
The square root of 1010110021 is about 31782.2280685291. The cubic root of 1010110021 is about 1003.3587134144.
Adding to 1010110021 its reverse (1200110101), we get a palindrome (2210220122).
The spelling of 1010110021 in words is "one billion, ten million, one hundred ten thousand, twenty-one".
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