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214552504421 = 626533424457
BaseRepresentation
bin1100011111010001010…
…0110110100001100101
3202111210112101111122122
43013310110312201211
512003400420120141
6242321500435325
721333545124413
oct3076424664145
9674715344578
10214552504421
1182a9a328162
12356b9248b45
1317303237438
14a554ada2b3
1558aad4264b
hex31f4536865

214552504421 has 4 divisors (see below), whose sum is σ = 214555991532. Its totient is φ = 214549017312.

The previous prime is 214552504403. The next prime is 214552504423. The reversal of 214552504421 is 124405255412.

214552504421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16094728225 + 198457776196 = 126865^2 + 445486^2 .

It is a cyclic number.

It is not a de Polignac number, because 214552504421 - 218 = 214552242277 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 (214552504423) 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 3 ways as a sum of consecutive naturals, for example, 1649576 + ... + 1774881.

It is an arithmetic number, because the mean of its divisors is an integer number (53638997883).

Almost surely, 2214552504421 is an apocalyptic number.

It is an amenable number.

214552504421 is a deficient number, since it is larger than the sum of its proper divisors (3487111).

214552504421 is an equidigital number, since it uses as much as digits as its factorization.

214552504421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487110.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 214552504421 its reverse (124405255412), we get a palindrome (338957759833).

The spelling of 214552504421 in words is "two hundred fourteen billion, five hundred fifty-two million, five hundred four thousand, four hundred twenty-one".

Divisors: 1 62653 3424457 214552504421