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16719929830 = 2513313125591
BaseRepresentation
bin11111001001001010…
…11110000111100110
31121011020111102212101
433210211132013212
5233220300223310
611403034042314
71131223026052
oct174445360746
947136442771
1016719929830
1170aaa6782a
1232a757939a
131765c82b06
14b48816c62
1567cd0343a
hex3e495e1e6

16719929830 has 16 divisors (see below), whose sum is σ = 30098373984. Its totient is φ = 6687416320.

The previous prime is 16719929827. The next prime is 16719929869. The reversal of 16719929830 is 3892991761.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70335 + ... + 195925.

It is an arithmetic number, because the mean of its divisors is an integer number (1881148374).

Almost surely, 216719929830 is an apocalyptic number.

16719929830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16719929830 is a deficient number, since it is larger than the sum of its proper divisors (13378444154).

16719929830 is a wasteful number, since it uses less digits than its factorization.

16719929830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138911.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The spelling of 16719929830 in words is "sixteen billion, seven hundred nineteen million, nine hundred twenty-nine thousand, eight hundred thirty".

Divisors: 1 2 5 10 13313 26626 66565 125591 133130 251182 627955 1255910 1671992983 3343985966 8359964915 16719929830