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14004000581 = 211251281941
BaseRepresentation
bin11010000101011010…
…00001011101000101
31100010221222221100012
431002231001131011
5212140011004311
610233334200005
71004014020014
oct150255013505
940127887305
1014004000581
115a369909aa
122869ab3005
1314223aca9c
1496bc38a7b
1556e67378b
hex342b41745

14004000581 has 16 divisors (see below), whose sum is σ = 14191765056. Its totient is φ = 13818000000.

The previous prime is 14004000557. The next prime is 14004000587. The reversal of 14004000581 is 18500040041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14004000581 is a prime.

It is a super-2 number, since 2×140040005812 (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 (14004000587) 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, 14881571 + ... + 14882511.

It is an arithmetic number, because the mean of its divisors is an integer number (886985316).

Almost surely, 214004000581 is an apocalyptic number.

It is an amenable number.

14004000581 is a deficient number, since it is larger than the sum of its proper divisors (187764475).

14004000581 is a wasteful number, since it uses less digits than its factorization.

14004000581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 640, while the sum is 23.

The spelling of 14004000581 in words is "fourteen billion, four million, five hundred eighty-one", and thus it is an aban number.

Divisors: 1 211 251 281 941 52961 59291 70531 198551 236191 264421 14882041 49836301 55792831 66369671 14004000581