Base | Representation |
---|---|
bin | 10010110110011010… |
… | …01100111010100101 |
3 | 222010021210110120010 |
4 | 21123031030322211 |
5 | 131211222401041 |
6 | 4352113200433 |
7 | 505533421632 |
oct | 113315147245 |
9 | 28107713503 |
10 | 10120122021 |
11 | 43235aa509 |
12 | 1b65260119 |
13 | c53857aa9 |
14 | 6c00b1189 |
15 | 3e36d9a16 |
hex | 25b34cea5 |
10120122021 has 8 divisors (see below), whose sum is σ = 13500193984. Its totient is φ = 6743399040.
The previous prime is 10120121983. The next prime is 10120122041. The reversal of 10120122021 is 12022102101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10120122021 - 215 = 10120089253 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10120121988 and 10120122006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10120122041) 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, 830185 + ... + 842286.
It is an arithmetic number, because the mean of its divisors is an integer number (1687524248).
Almost surely, 210120122021 is an apocalyptic number.
It is an amenable number.
10120122021 is a deficient number, since it is larger than the sum of its proper divisors (3380071963).
10120122021 is a wasteful number, since it uses less digits than its factorization.
10120122021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1674491.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 10120122021 its reverse (12022102101), we get a palindrome (22142224122).
The spelling of 10120122021 in words is "ten billion, one hundred twenty million, one hundred twenty-two thousand, twenty-one".
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