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16001006005 = 5179142912511
BaseRepresentation
bin11101110011011101…
…11111100110110101
31112022010201022210001
432321232333212311
5230232224143010
611203433031301
71104343210165
oct167156774665
945263638701
1016001006005
116871172706
123126855531
1316800490ba
14abb1545a5
15639b43c3a
hex3b9bbf9b5

16001006005 has 16 divisors (see below), whose sum is σ = 19323532800. Its totient is φ = 12719367360.

The previous prime is 16001005991. The next prime is 16001006023. The reversal of 16001006005 is 50060010061.

It is not a de Polignac number, because 16001006005 - 213 = 16000997813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272700 + ... + 1285210.

It is an arithmetic number, because the mean of its divisors is an integer number (1207720800).

Almost surely, 216001006005 is an apocalyptic number.

It is an amenable number.

16001006005 is a deficient number, since it is larger than the sum of its proper divisors (3322526795).

16001006005 is a wasteful number, since it uses less digits than its factorization.

16001006005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14124.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 16001006005 its reverse (50060010061), we get a palindrome (66061016066).

The spelling of 16001006005 in words is "sixteen billion, one million, six thousand, five".

Divisors: 1 5 179 895 1429 7145 12511 62555 255791 1278955 2239469 11197345 17878219 89391095 3200201201 16001006005