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214431141421 = 769144331433
BaseRepresentation
bin1100011110110100010…
…1111000111000101101
3202111111002000121220201
43013231011320320231
512003123333011141
6242301443313501
721330542425420
oct3075505707055
9674432017821
10214431141421
1182a37875362
123568467b891
13172b4054003
14a5429479b7
1558a036d031
hex31ed178e2d

214431141421 has 8 divisors (see below), whose sum is σ = 245418818624. Its totient is φ = 183532128480.

The previous prime is 214431141409. The next prime is 214431141427. The reversal of 214431141421 is 124141134412.

It is a happy number.

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 214431141421 - 25 = 214431141389 is a prime.

It is a super-2 number, since 2×2144311414212 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 214431141421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214431141427) 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, 22160880 + ... + 22170553.

It is an arithmetic number, because the mean of its divisors is an integer number (30677352328).

Almost surely, 2214431141421 is an apocalyptic number.

It is an amenable number.

214431141421 is a deficient number, since it is larger than the sum of its proper divisors (30987677203).

214431141421 is an equidigital number, since it uses as much as digits as its factorization.

214431141421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44332131.

The product of its digits is 3072, while the sum is 28.

Adding to 214431141421 its reverse (124141134412), we get a palindrome (338572275833).

The spelling of 214431141421 in words is "two hundred fourteen billion, four hundred thirty-one million, one hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 7 691 4837 44331433 310320031 30633020203 214431141421