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2021401341 = 32821273569
BaseRepresentation
bin111100001111100…
…0010001011111101
312012212121211100100
41320133002023331
513114434320331
6532325351313
7101043425241
oct17037021375
95185554310
102021401341
11948034823
12484b68539
13262a2b58b
1415266a421
15bc6ddae6
hex787c22fd

2021401341 has 12 divisors (see below), whose sum is σ = 2923369020. Its totient is φ = 1345954560.

The previous prime is 2021401321. The next prime is 2021401357. The reversal of 2021401341 is 1431041202.

It can be written as a sum of positive squares in 2 ways, for example, as 251095716 + 1770305625 = 15846^2 + 42075^2 .

It is not a de Polignac number, because 2021401341 - 25 = 2021401309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021401321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129396 + ... + 144173.

It is an arithmetic number, because the mean of its divisors is an integer number (243614085).

Almost surely, 22021401341 is an apocalyptic number.

It is an amenable number.

2021401341 is a deficient number, since it is larger than the sum of its proper divisors (901967679).

2021401341 is a wasteful number, since it uses less digits than its factorization.

2021401341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274396 (or 274393 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2021401341 is about 44959.9971196618. The cubic root of 2021401341 is about 1264.3991149127.

Adding to 2021401341 its reverse (1431041202), we get a palindrome (3452442543).

The spelling of 2021401341 in words is "two billion, twenty-one million, four hundred one thousand, three hundred forty-one".

Divisors: 1 3 9 821 2463 7389 273569 820707 2462121 224600149 673800447 2021401341