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14004000389 = 372693893617
BaseRepresentation
bin11010000101011010…
…00001011010000101
31100010221222221002002
431002231001122011
5212140011003024
610233334155045
71004014016321
oct150255013205
940127887062
1014004000389
115a36990845
122869ab2a85
1314223ac982
1496bc38981
1556e6736ae
hex342b41685

14004000389 has 16 divisors (see below), whose sum is σ = 14477065200. Its totient is φ = 13536221184.

The previous prime is 14004000343. The next prime is 14004000421. The reversal of 14004000389 is 98300040041.

It can be written as a sum of positive squares in 8 ways, for example, as 3602040289 + 10401960100 = 60017^2 + 101990^2 .

It is a cyclic number.

It is not a de Polignac number, because 14004000389 - 216 = 14003934853 is a prime.

It is a super-2 number, since 2×140040003892 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14004000889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3869909 + ... + 3873525.

It is an arithmetic number, because the mean of its divisors is an integer number (904816575).

Almost surely, 214004000389 is an apocalyptic number.

It is an amenable number.

14004000389 is a deficient number, since it is larger than the sum of its proper divisors (473064811).

14004000389 is a wasteful number, since it uses less digits than its factorization.

14004000389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 14004000389 in words is "fourteen billion, four million, three hundred eighty-nine", and thus it is an aban number.

Divisors: 1 37 269 389 3617 9953 14393 104641 133829 972973 1407013 3871717 36000001 52059481 378486497 14004000389