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2021041201 = 3495790949
BaseRepresentation
bin111100001110110…
…1010010000110001
312012211221112022211
41320131222100301
513114341304301
6532313532121
7101040365254
oct17035522061
95184845284
102021041201
11947909193
12484a14041
1326293368a
141525b509b
15bc66c051
hex7876a431

2021041201 has 4 divisors (see below), whose sum is σ = 2026832500. Its totient is φ = 2015249904.

The previous prime is 2021041147. The next prime is 2021041213. The reversal of 2021041201 is 1021401202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1530374400 + 490666801 = 39120^2 + 22151^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021041201 - 29 = 2021040689 is a prime.

It is a super-2 number, since 2×20210412012 = 8169215072279044802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021041241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2895126 + ... + 2895823.

It is an arithmetic number, because the mean of its divisors is an integer number (506708125).

Almost surely, 22021041201 is an apocalyptic number.

It is an amenable number.

2021041201 is a deficient number, since it is larger than the sum of its proper divisors (5791299).

2021041201 is an equidigital number, since it uses as much as digits as its factorization.

2021041201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791298.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2021041201 is about 44955.9918253396. The cubic root of 2021041201 is about 1264.3240205159.

Adding to 2021041201 its reverse (1021401202), we get a palindrome (3042442403).

The spelling of 2021041201 in words is "two billion, twenty-one million, forty-one thousand, two hundred one".

Divisors: 1 349 5790949 2021041201