Base | Representation |
---|---|
bin | 110111111110100100… |
… | …0101001110011001001 |
3 | 102111021201020120220002 |
4 | 1233331020221303021 |
5 | 3432143010133001 |
6 | 131120231212345 |
7 | 11453640550661 |
oct | 1577510516311 |
9 | 374251216802 |
10 | 120211021001 |
11 | 46a87a95345 |
12 | 1b36a5170b5 |
13 | b449b2cb76 |
14 | 5b653971a1 |
15 | 31d878a46b |
hex | 1bfd229cc9 |
120211021001 has 16 divisors (see below), whose sum is σ = 124932384768. Its totient is φ = 115543022400.
The previous prime is 120211020953. The next prime is 120211021031. The reversal of 120211021001 is 100120112021.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120211021001 is a prime.
It is not an unprimeable number, because it can be changed into a prime (120211021031) 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, 17191616 + ... + 17198606.
It is an arithmetic number, because the mean of its divisors is an integer number (7808274048).
Almost surely, 2120211021001 is an apocalyptic number.
It is an amenable number.
120211021001 is a deficient number, since it is larger than the sum of its proper divisors (4721363767).
120211021001 is a wasteful number, since it uses less digits than its factorization.
120211021001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10712.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 120211021001 its reverse (100120112021), we get a palindrome (220331133022).
The spelling of 120211021001 in words is "one hundred twenty billion, two hundred eleven million, twenty-one thousand, one".
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