Base | Representation |
---|---|
bin | 11101101110001001111… |
… | …10101101010011110001 |
3 | 10121121221000120210100112 |
4 | 32313010332231103301 |
5 | 113212420234201001 |
6 | 2101045513431105 |
7 | 133531404651533 |
oct | 16670476552361 |
9 | 3547830523315 |
10 | 1021212022001 |
11 | 364103621a96 |
12 | 145b01a0b495 |
13 | 753b8ab6952 |
14 | 375d96ab853 |
15 | 1b86dae4cbb |
hex | edc4fad4f1 |
1021212022001 has 8 divisors (see below), whose sum is σ = 1038588892800. Its totient is φ = 1003837424400.
The previous prime is 1021212021979. The next prime is 1021212022007. The reversal of 1021212022001 is 1002202121201.
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 1021212022001 - 214 = 1021212005617 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1021212022007) 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, 350351 + ... + 1471451.
It is an arithmetic number, because the mean of its divisors is an integer number (129823611600).
Almost surely, 21021212022001 is an apocalyptic number.
It is an amenable number.
1021212022001 is a deficient number, since it is larger than the sum of its proper divisors (17376870799).
1021212022001 is a wasteful number, since it uses less digits than its factorization.
1021212022001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1136599.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1021212022001 its reverse (1002202121201), we get a palindrome (2023414143202).
The spelling of 1021212022001 in words is "one trillion, twenty-one billion, two hundred twelve million, twenty-two thousand, one".
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