Base | Representation |
---|---|
bin | 101111111110011110111100… |
… | …011100110001110011010101 |
3 | 1000200002121002120021221100020 |
4 | 233332132330130301303111 |
5 | 210124024114110324341 |
6 | 2024432553444535353 |
7 | 62305251520356525 |
oct | 5776367434616325 |
9 | 1020077076257306 |
10 | 211002020011221 |
11 | 612604aa53761a |
12 | 1b7b97316b1559 |
13 | 909753604583a |
14 | 3a167a3583685 |
15 | 195d9a7c60566 |
hex | bfe7bc731cd5 |
211002020011221 has 32 divisors (see below), whose sum is σ = 293088571776000. Its totient is φ = 134908280757120.
The previous prime is 211002020011199. The next prime is 211002020011259. The reversal of 211002020011221 is 122110020200112.
It is not a de Polignac number, because 211002020011221 - 241 = 208802996755669 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 211002020011221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211002020011261) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390875320 + ... + 391414766.
It is an arithmetic number, because the mean of its divisors is an integer number (9159017868000).
Almost surely, 2211002020011221 is an apocalyptic number.
It is an amenable number.
211002020011221 is a deficient number, since it is larger than the sum of its proper divisors (82086551764779).
211002020011221 is a wasteful number, since it uses less digits than its factorization.
211002020011221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 593449.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 211002020011221 its reverse (122110020200112), we get a palindrome (333112040211333).
The spelling of 211002020011221 in words is "two hundred eleven trillion, two billion, twenty million, eleven thousand, two hundred twenty-one".
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