Base | Representation |
---|---|
bin | 11101010010010100010… |
… | …000011110100111101101 |
3 | 21010101200211002120000222 |
4 | 131102110100132213231 |
5 | 230433131200322341 |
6 | 4140313334101125 |
7 | 265254264051221 |
oct | 35222420364755 |
9 | 7111624076028 |
10 | 2012532042221 |
11 | 706567964678 |
12 | 286060aaa7a5 |
13 | 117a1c9bc67c |
14 | 6d59b004781 |
15 | 3753d2e544b |
hex | 1d49441e9ed |
2012532042221 has 8 divisors (see below), whose sum is σ = 2047726284600. Its totient is φ = 1977408829440.
The previous prime is 2012532042217. The next prime is 2012532042239. The reversal of 2012532042221 is 1222402352102.
It can be written as a sum of positive squares in 4 ways, for example, as 464286880996 + 1548245161225 = 681386^2 + 1244285^2 .
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 2012532042221 - 22 = 2012532042217 is a prime.
It is a super-2 number, since 2×20125320422212 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012532042281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17700236 + ... + 17813573.
It is an arithmetic number, because the mean of its divisors is an integer number (255965785575).
Almost surely, 22012532042221 is an apocalyptic number.
It is an amenable number.
2012532042221 is a deficient number, since it is larger than the sum of its proper divisors (35194242379).
2012532042221 is an equidigital number, since it uses as much as digits as its factorization.
2012532042221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35514799.
The product of its (nonzero) digits is 3840, while the sum is 26.
Adding to 2012532042221 its reverse (1222402352102), we get a palindrome (3234934394323).
The spelling of 2012532042221 in words is "two trillion, twelve billion, five hundred thirty-two million, forty-two thousand, two hundred twenty-one".
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