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16730732256 = 253724896923
BaseRepresentation
bin11111001010011101…
…01011011011100000
31121011222211021000020
433211032223123200
5233231031413011
611404101353440
71131413610030
oct174516533340
947158737006
1016730732256
117106075857
1232ab108880
131768295994
14b4a0298c0
1567dc39006
hex3e53ab6e0

16730732256 has 48 divisors (see below), whose sum is σ = 50192198784. Its totient is φ = 4780209024.

The previous prime is 16730732251. The next prime is 16730732267. The reversal of 16730732256 is 65223703761.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16730732251) by changing a digit.

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, 12447790 + ... + 12449133.

It is an arithmetic number, because the mean of its divisors is an integer number (1045670808).

Almost surely, 216730732256 is an apocalyptic number.

16730732256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16730732256 is an abundant number, since it is smaller than the sum of its proper divisors (33461466528).

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

16730732256 is a wasteful number, since it uses less digits than its factorization.

16730732256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24896943 (or 24896935 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 16730732256 in words is "sixteen billion, seven hundred thirty million, seven hundred thirty-two thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 24896923 49793846 74690769 99587692 149381538 174278461 199175384 298763076 348556922 398350768 522835383 597526152 697113844 796701536 1045670766 1195052304 1394227688 2091341532 2390104608 2788455376 4182683064 5576910752 8365366128 16730732256