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5240053255021 = 132128811893457
BaseRepresentation
bin100110001000000101110…
…0000110100101101101101
3200112221111022122222120021
41030100023200310231231
51141323112113130041
615051125222522141
71050403255522324
oct114201340645555
920487438588507
105240053255021
111740326500012
12707683296351
132c019a4c0830
141418971390bb
159148c19bcd1
hex4c40b834b6d

5240053255021 has 8 divisors (see below), whose sum is σ = 5643163763384. Its totient is φ = 4836946959360.

The previous prime is 5240053255013. The next prime is 5240053255033. The reversal of 5240053255021 is 1205523500425.

It can be written as a sum of positive squares in 4 ways, for example, as 1429007458921 + 3811045796100 = 1195411^2 + 1952190^2 .

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 5240053255021 - 23 = 5240053255013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5240053255061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820725 + ... + 3714181.

It is an arithmetic number, because the mean of its divisors is an integer number (705395470423).

Almost surely, 25240053255021 is an apocalyptic number.

It is an amenable number.

5240053255021 is a deficient number, since it is larger than the sum of its proper divisors (403110508363).

5240053255021 is a wasteful number, since it uses less digits than its factorization.

5240053255021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106351.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 5240053255021 its reverse (1205523500425), we get a palindrome (6445576755446).

The spelling of 5240053255021 in words is "five trillion, two hundred forty billion, fifty-three million, two hundred fifty-five thousand, twenty-one".

Divisors: 1 13 212881 1893457 2767453 24614941 403081019617 5240053255021