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14441421231 = 35283373563
BaseRepresentation
bin11010111001100011…
…01001100110101111
31101021110002012200000
431130301221212233
5214034000434411
610345001435343
71020605024616
oct153461514657
941243065600
1014441421231
116140895576
12297049bb53
131491bc3b83
149add8087d
15597c79956
hex35cc699af

14441421231 has 48 divisors (see below), whose sum is σ = 21805719936. Its totient is φ = 9550879776.

The previous prime is 14441421223. The next prime is 14441421259. The reversal of 14441421231 is 13212414441.

14441421231 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 1 + 421 + 231 = 666.

It is not a de Polignac number, because 14441421231 - 23 = 14441421223 is a prime.

It is a super-2 number, since 2×144414212312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 14441421195 and 14441421204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14441421221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25650556 + ... + 25651118.

It is an arithmetic number, because the mean of its divisors is an integer number (454285832).

Almost surely, 214441421231 is an apocalyptic number.

14441421231 is a deficient number, since it is larger than the sum of its proper divisors (7364298705).

14441421231 is an equidigital number, since it uses as much as digits as its factorization.

14441421231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1222 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 14441421231 its reverse (13212414441), we get a palindrome (27653835672).

The spelling of 14441421231 in words is "fourteen billion, four hundred forty-one million, four hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 3 9 27 81 243 283 373 563 849 1119 1689 2547 3357 5067 7641 10071 15201 22923 30213 45603 68769 90639 105559 136809 159329 209999 316677 477987 629997 950031 1433961 1889991 2850093 4301883 5669973 8550279 12905649 17009919 25650837 38716947 51029757 59429717 178289151 534867453 1604602359 4813807077 14441421231