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16506143230 = 252113781171
BaseRepresentation
bin11110101111101011…
…11100000111111110
31120121100012221210011
433113311330013332
5232301033040410
611325515533434
71123015621363
oct172765740776
946540187704
1016506143230
117000318795
123247a5a27a
1317308ac575
14b2828646a
1566917418a
hex3d7d7c1fe

16506143230 has 16 divisors (see below), whose sum is σ = 29725156944. Its totient is φ = 6599324160.

The previous prime is 16506143221. The next prime is 16506143267. The reversal of 16506143230 is 3234160561.

It is a junction number, because it is equal to n+sod(n) for n = 16506143192 and 16506143201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369456 + ... + 411715.

It is an arithmetic number, because the mean of its divisors is an integer number (1857822309).

Almost surely, 216506143230 is an apocalyptic number.

16506143230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16506143230 is a deficient number, since it is larger than the sum of its proper divisors (13219013714).

16506143230 is a wasteful number, since it uses less digits than its factorization.

16506143230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783291.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 16506143230 in words is "sixteen billion, five hundred six million, one hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 2113 4226 10565 21130 781171 1562342 3905855 7811710 1650614323 3301228646 8253071615 16506143230