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16300899784 = 2313156739421
BaseRepresentation
bin11110010111001101…
…11111110111001000
31120002001000111201001
433023212333313020
5231341012243114
611253304504344
71114644235111
oct171346776710
946061014631
1016300899784
116a05484304
1231ab17b0b4
1316ca20a740
14b08cdb208
15656131374
hex3cb9bfdc8

16300899784 has 16 divisors (see below), whose sum is σ = 32915278620. Its totient is φ = 7523492160.

The previous prime is 16300899773. The next prime is 16300899809. The reversal of 16300899784 is 48799800361.

It can be written as a sum of positive squares in 2 ways, for example, as 16160002884 + 140896900 = 127122^2 + 11870^2 .

It is a super-2 number, since 2×163008997842 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78369607 + ... + 78369814.

Almost surely, 216300899784 is an apocalyptic number.

It is an amenable number.

16300899784 is an abundant number, since it is smaller than the sum of its proper divisors (16614378836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16300899784 is a wasteful number, since it uses less digits than its factorization.

16300899784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156739440 (or 156739436 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 16300899784 in words is "sixteen billion, three hundred million, eight hundred ninety-nine thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 13 26 52 104 156739421 313478842 626957684 1253915368 2037612473 4075224946 8150449892 16300899784