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14153311989 = 322954227249
BaseRepresentation
bin11010010111001101…
…00110011011110101
31100112100221202002100
431023212212123311
5212441221440424
610300230332313
71010506111155
oct151346463365
940470852070
1014153311989
1160031a2863
1228ababa099
1314472ca42b
149839c4765
1557c818dc9
hex34b9a66f5

14153311989 has 12 divisors (see below), whose sum is σ = 21148627500. Its totient is φ = 9110177664.

The previous prime is 14153311987. The next prime is 14153312003. The reversal of 14153311989 is 98911335141.

14153311989 is a `hidden beast` number, since 14 + 1 + 533 + 11 + 98 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11351197764 + 2802114225 = 106542^2 + 52935^2 .

It is not a de Polignac number, because 14153311989 - 21 = 14153311987 is a prime.

It is a super-4 number, since 4×141533119894 (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14153311987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27113364 + ... + 27113885.

It is an arithmetic number, because the mean of its divisors is an integer number (1762385625).

Almost surely, 214153311989 is an apocalyptic number.

It is an amenable number.

14153311989 is a deficient number, since it is larger than the sum of its proper divisors (6995315511).

14153311989 is a wasteful number, since it uses less digits than its factorization.

14153311989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54227284 (or 54227281 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The spelling of 14153311989 in words is "fourteen billion, one hundred fifty-three million, three hundred eleven thousand, nine hundred eighty-nine".

Divisors: 1 3 9 29 87 261 54227249 162681747 488045241 1572590221 4717770663 14153311989