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5025024404021 = 7831376416533
BaseRepresentation
bin100100100011111101011…
…0010110110101000110101
3122210101110120221120020202
41021013322302312220311
51124312222221412041
614404244144210245
71026021534454226
oct111077262665065
918711416846222
105025024404021
1116681123016a6
12691a72609985
132a5b1c69361b
141352d908324d
158aaa4614a9b
hex491facb6a35

5025024404021 has 4 divisors (see below), whose sum is σ = 5025031603692. Its totient is φ = 5025017204352.

The previous prime is 5025024403981. The next prime is 5025024404047. The reversal of 5025024404021 is 1204044205205.

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 2601043200625 + 2423981203396 = 1612775^2 + 1556914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5025024404021 is a prime.

It is a super-2 number, since 2×50250244040212 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5025054404021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2425130 + ... + 3991403.

It is an arithmetic number, because the mean of its divisors is an integer number (1256257900923).

Almost surely, 25025024404021 is an apocalyptic number.

It is an amenable number.

5025024404021 is a deficient number, since it is larger than the sum of its proper divisors (7199671).

5025024404021 is an equidigital number, since it uses as much as digits as its factorization.

5025024404021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7199670.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 5025024404021 its reverse (1204044205205), we get a palindrome (6229068609226).

The spelling of 5025024404021 in words is "five trillion, twenty-five billion, twenty-four million, four hundred four thousand, twenty-one".

Divisors: 1 783137 6416533 5025024404021