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214112320421 = 6412557130633
BaseRepresentation
bin1100011101101000010…
…1101011101110100101
3202110122212002211201112
43013122011223232211
512002000223223141
6242210054034405
721316621460216
oct3073205535645
9673585084645
10214112320421
118289390642a
12355b5948a05
1317262c9662c
14a51247540d
1558823927eb
hex31da16bba5

214112320421 has 8 divisors (see below), whose sum is σ = 214531857624. Its totient is φ = 213693050880.

The previous prime is 214112320403. The next prime is 214112320451. The reversal of 214112320421 is 124023211412.

It can be written as a sum of positive squares in 4 ways, for example, as 25681665025 + 188430655396 = 160255^2 + 434086^2 .

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 214112320421 - 210 = 214112319397 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 (214112320451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1573721 + ... + 1704353.

It is an arithmetic number, because the mean of its divisors is an integer number (26816482203).

Almost surely, 2214112320421 is an apocalyptic number.

It is an amenable number.

214112320421 is a deficient number, since it is larger than the sum of its proper divisors (419537203).

214112320421 is a wasteful number, since it uses less digits than its factorization.

214112320421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133831.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 214112320421 its reverse (124023211412), we get a palindrome (338135531833).

The spelling of 214112320421 in words is "two hundred fourteen billion, one hundred twelve million, three hundred twenty thousand, four hundred twenty-one".

Divisors: 1 641 2557 130633 1639037 83735753 334028581 214112320421