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1214111343 = 31921300199
BaseRepresentation
bin100100001011101…
…1101111001101111
310010121120020122210
41020113131321233
54441303030333
6320250341503
742041530134
oct11027357157
93117506583
101214111343
11573374905
1229a72a893
131646c54a3
14b736458b
15718c6a63
hex485dde6f

1214111343 has 8 divisors (see below), whose sum is σ = 1704016000. Its totient is φ = 766807128.

The previous prime is 1214111341. The next prime is 1214111357. The reversal of 1214111343 is 3431114121.

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

It is not a de Polignac number, because 1214111343 - 21 = 1214111341 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 (1214111341) 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, 10650043 + ... + 10650156.

It is an arithmetic number, because the mean of its divisors is an integer number (213002000).

Almost surely, 21214111343 is an apocalyptic number.

1214111343 is a deficient number, since it is larger than the sum of its proper divisors (489904657).

1214111343 is a wasteful number, since it uses less digits than its factorization.

1214111343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21300221.

The product of its digits is 288, while the sum is 21.

The square root of 1214111343 is about 34844.1005480124. The cubic root of 1214111343 is about 1066.8077749627.

Adding to 1214111343 its reverse (3431114121), we get a palindrome (4645225464).

The spelling of 1214111343 in words is "one billion, two hundred fourteen million, one hundred eleven thousand, three hundred forty-three".

Divisors: 1 3 19 57 21300199 63900597 404703781 1214111343