Base | Representation |
---|---|
bin | 11101101111110110010… |
… | …10001110101100100001 |
3 | 10121201021101000021012211 |
4 | 32313323022032230201 |
5 | 113221300434341001 |
6 | 2101320024322121 |
7 | 133563053152255 |
oct | 16677312165441 |
9 | 3551241007184 |
10 | 1022121012001 |
11 | 36452a7346a1 |
12 | 146116313341 |
13 | 7550220a25b |
14 | 376842c8265 |
15 | 1b8c37ea351 |
hex | edfb28eb21 |
1022121012001 has 8 divisors (see below), whose sum is σ = 1032688065024. Its totient is φ = 1011608288880.
The previous prime is 1022121011993. The next prime is 1022121012043. The reversal of 1022121012001 is 1002101212201.
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 1022121012001 - 23 = 1022121011993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1022121018001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13544655 + ... + 13619908.
It is an arithmetic number, because the mean of its divisors is an integer number (129086008128).
Almost surely, 21022121012001 is an apocalyptic number.
It is an amenable number.
1022121012001 is a deficient number, since it is larger than the sum of its proper divisors (10567053023).
1022121012001 is a wasteful number, since it uses less digits than its factorization.
1022121012001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27164951.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 1022121012001 its reverse (1002101212201), we get a palindrome (2024222224202).
The spelling of 1022121012001 in words is "one trillion, twenty-two billion, one hundred twenty-one million, twelve thousand, one".
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