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214444320461 = 7231331952301
BaseRepresentation
bin1100011110110111100…
…0001010011011001101
3202111111222211012011022
43013231320022123031
512003140221223321
6242303034003525
721331062435320
oct3075570123315
9674458735138
10214444320461
1182a44256a28
1235688b765a5
13172b69b9867
14a5445b87b7
1558a15c2dab
hex31ede0a6cd

214444320461 has 8 divisors (see below), whose sum is σ = 255734841984. Its totient is φ = 175817703600.

The previous prime is 214444320457. The next prime is 214444320551. The reversal of 214444320461 is 164023444412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 214444320461 - 22 = 214444320457 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 (214444320421) 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, 665975990 + ... + 665976311.

It is an arithmetic number, because the mean of its divisors is an integer number (31966855248).

Almost surely, 2214444320461 is an apocalyptic number.

It is an amenable number.

214444320461 is a deficient number, since it is larger than the sum of its proper divisors (41290521523).

214444320461 is a wasteful number, since it uses less digits than its factorization.

214444320461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331952331.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 214444320461 its reverse (164023444412), we get a palindrome (378467764873).

The spelling of 214444320461 in words is "two hundred fourteen billion, four hundred forty-four million, three hundred twenty thousand, four hundred sixty-one".

Divisors: 1 7 23 161 1331952301 9323666107 30634902923 214444320461