Base | Representation |
---|---|
bin | 1100010110001011000… |
… | …0001111011110111001 |
3 | 202021111022210010220210 |
4 | 3011202300033132321 |
5 | 11433400203223001 |
6 | 241235253541333 |
7 | 21216201021423 |
oct | 3054260173671 |
9 | 667438703823 |
10 | 212110211001 |
11 | 81a56758a47 |
12 | 35137344849 |
13 | 170042610c0 |
14 | a3a25cb813 |
15 | 57b6714dd6 |
hex | 3162c0f7b9 |
212110211001 has 32 divisors (see below), whose sum is σ = 328062615552. Its totient is φ = 120826601280.
The previous prime is 212110210997. The next prime is 212110211041. The reversal of 212110211001 is 100112011212.
It is not a de Polignac number, because 212110211001 - 22 = 212110210997 is a prime.
It is a super-2 number, since 2×2121102110012 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (212110211041) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3786165 + ... + 3841778.
It is an arithmetic number, because the mean of its divisors is an integer number (10251956736).
Almost surely, 2212110211001 is an apocalyptic number.
It is an amenable number.
212110211001 is a deficient number, since it is larger than the sum of its proper divisors (115952404551).
212110211001 is a wasteful number, since it uses less digits than its factorization.
212110211001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7628013.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 212110211001 its reverse (100112011212), we get a palindrome (312222222213).
The spelling of 212110211001 in words is "two hundred twelve billion, one hundred ten million, two hundred eleven thousand, one".
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