Base | Representation |
---|---|
bin | 1001010010010011010000… |
… | …0001010001100111011001 |
3 | 1100011001211011010020111110 |
4 | 2110210310001101213121 |
5 | 2314240100030341441 |
6 | 33414225220250533 |
7 | 2102435365113153 |
oct | 224446401214731 |
9 | 40131734106443 |
10 | 10210010012121 |
11 | 328704a528507 |
12 | 118a927840a49 |
13 | 590a5225c09a |
14 | 27424a81bad3 |
15 | 12a8bc0a1b16 |
hex | 949340519d9 |
10210010012121 has 16 divisors (see below), whose sum is σ = 13765230854144. Its totient is φ = 6731080416144.
The previous prime is 10210010012099. The next prime is 10210010012197. The reversal of 10210010012121 is 12121001001201.
It is not a de Polignac number, because 10210010012121 - 213 = 10210010003929 is a prime.
It is a super-2 number, since 2×102100100121212 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10210010012097 and 10210010012106.
It is not an unprimeable number, because it can be changed into a prime (10210010016121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43527865 + ... + 43761798.
It is an arithmetic number, because the mean of its divisors is an integer number (860326928384).
Almost surely, 210210010012121 is an apocalyptic number.
It is an amenable number.
10210010012121 is a deficient number, since it is larger than the sum of its proper divisors (3555220842023).
10210010012121 is a wasteful number, since it uses less digits than its factorization.
10210010012121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87290100.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 10210010012121 its reverse (12121001001201), we get a palindrome (22331011013322).
The spelling of 10210010012121 in words is "ten trillion, two hundred ten billion, ten million, twelve thousand, one hundred twenty-one".
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