Base | Representation |
---|---|
bin | 11101000111101010111… |
… | …110110010100000110100 |
3 | 21002022012020200101202211 |
4 | 131013222332302200310 |
5 | 230241224120333022 |
6 | 4131143231143204 |
7 | 264401114243611 |
oct | 35075276624064 |
9 | 7068166611684 |
10 | 2001102121012 |
11 | 701731a846a5 |
12 | 2839b1074b04 |
13 | 11691a9a8597 |
14 | 6cbd4dc1508 |
15 | 370beb31e77 |
hex | 1d1eafb2834 |
2001102121012 has 48 divisors (see below), whose sum is σ = 3710505923712. Its totient is φ = 942312222720.
The previous prime is 2001102121009. The next prime is 2001102121021. The reversal of 2001102121012 is 2101212011002.
It is a junction number, because it is equal to n+sod(n) for n = 2001102120983 and 2001102121001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12947712 + ... + 13101352.
It is an arithmetic number, because the mean of its divisors is an integer number (77302206744).
Almost surely, 22001102121012 is an apocalyptic number.
It is an amenable number.
2001102121012 is a deficient number, since it is larger than the sum of its proper divisors (1709403802700).
2001102121012 is a wasteful number, since it uses less digits than its factorization.
2001102121012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155848 (or 155846 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 2001102121012 its reverse (2101212011002), we get a palindrome (4102314132014).
The spelling of 2001102121012 in words is "two trillion, one billion, one hundred two million, one hundred twenty-one thousand, twelve".
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