Search a number
-
+
2000002010221 = 28015197137393
BaseRepresentation
bin11101000110101001011…
…010001100110001101101
321002012100120121222110201
4131012221122030301231
5230232001003311341
64130442132033501
7264331625406535
oct35065132146155
97065316558421
102000002010221
11701217aa4126
12283744762891
131167a3ab9357
146cb2cc544c5
1537058278331
hex1d1a968cc6d

2000002010221 has 8 divisors (see below), whose sum is σ = 2001115581624. Its totient is φ = 1998888729600.

The previous prime is 2000002010213. The next prime is 2000002010231. The reversal of 2000002010221 is 1220102000002.

It can be written as a sum of positive squares in 4 ways, for example, as 691368968196 + 1308633042025 = 831486^2 + 1143955^2 .

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 2000002010221 - 23 = 2000002010213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000002010198 and 2000002010207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000002010231) 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, 14488101 + ... + 14625493.

It is an arithmetic number, because the mean of its divisors is an integer number (250139447703).

Almost surely, 22000002010221 is an apocalyptic number.

It is an amenable number.

2000002010221 is a deficient number, since it is larger than the sum of its proper divisors (1113571403).

2000002010221 is a wasteful number, since it uses less digits than its factorization.

2000002010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145391.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2000002010221 its reverse (1220102000002), we get a palindrome (3220104010223).

The spelling of 2000002010221 in words is "two trillion, two million, ten thousand, two hundred twenty-one".

Divisors: 1 2801 5197 137393 14556797 384837793 714031421 2000002010221