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214144342321 = 71319988712527
BaseRepresentation
bin1100011101101111111…
…1110101100100110001
3202110202002100201111211
43013123333311210301
512002031422423241
6242213200240121
721320460606430
oct3073377654461
9673662321454
10214144342321
11828aa997a08
1235604610041
13172697c89c0
14a51680d117
1558850ba781
hex31dbff5931

214144342321 has 32 divisors (see below), whose sum is σ = 277484175360. Its totient is φ = 160486318656.

The previous prime is 214144342303. The next prime is 214144342327. The reversal of 214144342321 is 123243441412.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 214144342321 - 215 = 214144309553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214144342327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17088360 + ... + 17100886.

It is an arithmetic number, because the mean of its divisors is an integer number (8671380480).

Almost surely, 2214144342321 is an apocalyptic number.

It is an amenable number.

214144342321 is a deficient number, since it is larger than the sum of its proper divisors (63339833039).

214144342321 is a wasteful number, since it uses less digits than its factorization.

214144342321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22453.

The product of its digits is 18432, while the sum is 31.

Adding to 214144342321 its reverse (123243441412), we get a palindrome (337387783733).

Subtracting from 214144342321 its reverse (123243441412), we obtain a palindrome (90900900909).

The spelling of 214144342321 in words is "two hundred fourteen billion, one hundred forty-four million, three hundred forty-two thousand, three hundred twenty-one".

Divisors: 1 7 13 19 91 133 247 1729 9887 12527 69209 87689 128531 162851 187853 238013 899717 1139957 1314971 1666091 2442089 3094169 17094623 21659183 123854449 866981143 1610107837 2353234531 11270754859 16472641717 30592048903 214144342321