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14031302421 = 3231579911307
BaseRepresentation
bin11010001000101010…
…01010111100010101
31100012212101000102110
431010111022330111
5212214003134141
610240151301233
71004465050143
oct150425127425
940185330373
1014031302421
115a50339204
12287707a819
131427c4b916
14971704593
15571c67e16
hex34454af15

14031302421 has 32 divisors (see below), whose sum is σ = 19681026048. Its totient is φ = 8874740160.

The previous prime is 14031302371. The next prime is 14031302489. The reversal of 14031302421 is 12420313041.

It is not a de Polignac number, because 14031302421 - 26 = 14031302357 is a prime.

It is a super-2 number, since 2×140313024212 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14031322421) 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, 10734850 + ... + 10736156.

It is an arithmetic number, because the mean of its divisors is an integer number (615032064).

Almost surely, 214031302421 is an apocalyptic number.

It is an amenable number.

14031302421 is a deficient number, since it is larger than the sum of its proper divisors (5649723627).

14031302421 is a wasteful number, since it uses less digits than its factorization.

14031302421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 14031302421 its reverse (12420313041), we get a palindrome (26451615462).

The spelling of 14031302421 in words is "fourteen billion, thirty-one million, three hundred two thousand, four hundred twenty-one".

Divisors: 1 3 23 69 157 471 991 1307 2973 3611 3921 10833 22793 30061 68379 90183 155587 205199 466761 615597 1295237 3578501 3885711 4719577 10735503 14158731 29790451 89371353 203352209 610056627 4677100807 14031302421