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2041400401 = 13011569101
BaseRepresentation
bin111100110101101…
…0100110001010001
312021021020212220021
41321223110301101
513140044303101
6534322143441
7101405421445
oct17153246121
95237225807
102041400401
11958354377
1248b7b1b81
13266c11441
14155194825
15be33e5a1
hex79ad4c51

2041400401 has 4 divisors (see below), whose sum is σ = 2042970804. Its totient is φ = 2039830000.

The previous prime is 2041400399. The next prime is 2041400411. The reversal of 2041400401 is 1040041402.

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 157753600 + 1883646801 = 12560^2 + 43401^2 .

It is a cyclic number.

It is not a de Polignac number, because 2041400401 - 21 = 2041400399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2041400411) 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, 783250 + ... + 785851.

It is an arithmetic number, because the mean of its divisors is an integer number (510742701).

Almost surely, 22041400401 is an apocalyptic number.

It is an amenable number.

2041400401 is a deficient number, since it is larger than the sum of its proper divisors (1570403).

2041400401 is a wasteful number, since it uses less digits than its factorization.

2041400401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570402.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2041400401 is about 45181.8592025605. The cubic root of 2041400401 is about 1268.5552838086. Note that the first 3 decimals are identical.

Adding to 2041400401 its reverse (1040041402), we get a palindrome (3081441803).

The spelling of 2041400401 in words is "two billion, forty-one million, four hundred thousand, four hundred one".

Divisors: 1 1301 1569101 2041400401