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16103004505 = 57319734759
BaseRepresentation
bin11101111111101000…
…00101100101011001
31112120020122101102021
432333310011211121
5230434332121010
611221515134441
71110022165000
oct167764054531
945506571367
1016103004505
1169137a9695
123154a44421
13169820c443
14aca905c37
15643a908da
hex3bfd05959

16103004505 has 32 divisors (see below), whose sum is σ = 22550976000. Its totient is φ = 11034144576.

The previous prime is 16103004473. The next prime is 16103004553. The reversal of 16103004505 is 50540030161.

It is not a de Polignac number, because 16103004505 - 25 = 16103004473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16103004505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3381316 + ... + 3386074.

It is an arithmetic number, because the mean of its divisors is an integer number (704718000).

Almost surely, 216103004505 is an apocalyptic number.

It is an amenable number.

16103004505 is a deficient number, since it is larger than the sum of its proper divisors (6447971495).

16103004505 is an equidigital number, since it uses as much as digits as its factorization.

16103004505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6758 (or 6744 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 16103004505 its reverse (50540030161), we get a palindrome (66643034666).

The spelling of 16103004505 in words is "sixteen billion, one hundred three million, four thousand, five hundred five".

Divisors: 1 5 7 35 49 245 343 1715 1973 4759 9865 13811 23795 33313 69055 96677 166565 233191 483385 676739 1165955 1632337 3383695 8161685 9389507 46947535 65726549 328632745 460085843 2300429215 3220600901 16103004505