Base | Representation |
---|---|
bin | 110111111110100100… |
… | …0100100101011000001 |
3 | 102111021201012112002022 |
4 | 1233331020210223001 |
5 | 3432143004000001 |
6 | 131120230531225 |
7 | 11453640432521 |
oct | 1577510445301 |
9 | 374251175068 |
10 | 120211000001 |
11 | 46a87a80594 |
12 | 1b36a506b15 |
13 | b449b23441 |
14 | 5b6538d681 |
15 | 31d878411b |
hex | 1bfd224ac1 |
120211000001 has 4 divisors (see below), whose sum is σ = 120359592900. Its totient is φ = 120062407104.
The previous prime is 120210999973. The next prime is 120211000027. The reversal of 120211000001 is 100000112021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100000112021 = 1511 ⋅66181411.
It can be written as a sum of positive squares in 2 ways, for example, as 45614280625 + 74596719376 = 213575^2 + 273124^2 .
It is a cyclic number.
It is not a de Polignac number, because 120211000001 - 226 = 120143891137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120211000031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74295236 + ... + 74296853.
It is an arithmetic number, because the mean of its divisors is an integer number (30089898225).
Almost surely, 2120211000001 is an apocalyptic number.
It is an amenable number.
120211000001 is a deficient number, since it is larger than the sum of its proper divisors (148592899).
120211000001 is an equidigital number, since it uses as much as digits as its factorization.
120211000001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148592898.
The product of its (nonzero) digits is 4, while the sum is 8.
Adding to 120211000001 its reverse (100000112021), we get a palindrome (220211112022).
It can be divided in two parts, 12021 and 1000001, that multiplied together give a palindrome (12021012021).
The spelling of 120211000001 in words is "one hundred twenty billion, two hundred eleven million, one", and thus it is an aban number.
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