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16381468677 = 377957117293
BaseRepresentation
bin11110100000110100…
…10110000000000101
31120021122121211110010
433100122112000011
5232022123444202
611305303420433
71116643120620
oct172032260005
946248554403
1016381468677
116a46a03972
123212154719
131710b09a42
14b158b0db7
1565d24876c
hex3d0696005

16381468677 has 32 divisors (see below), whose sum is σ = 25323950080. Its totient is φ = 9225627840.

The previous prime is 16381468673. The next prime is 16381468693. The reversal of 16381468677 is 77686418361.

It is not a de Polignac number, because 16381468677 - 22 = 16381468673 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16381468673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 938643 + ... + 955935.

It is an arithmetic number, because the mean of its divisors is an integer number (791373440).

Almost surely, 216381468677 is an apocalyptic number.

It is an amenable number.

16381468677 is a deficient number, since it is larger than the sum of its proper divisors (8942481403).

16381468677 is a wasteful number, since it uses less digits than its factorization.

16381468677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17953.

The product of its digits is 8128512, while the sum is 57.

The spelling of 16381468677 in words is "sixteen billion, three hundred eighty-one million, four hundred sixty-eight thousand, six hundred seventy-seven".

Divisors: 1 3 7 21 79 237 553 571 1659 1713 3997 11991 17293 45109 51879 121051 135327 315763 363153 947289 1366147 4098441 9563029 9874303 28689087 29622909 69120121 207360363 780069937 2340209811 5460489559 16381468677