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16118943760 = 2451131783069
BaseRepresentation
bin11110000001100001…
…11001000000010000
31112121100122011222001
433000300321000100
5231002422200020
611223244523344
71110304522063
oct170060710020
945540564861
1016118943760
1169217a6027
12315a250554
13169b60045a
14acca948da
1564518d50a
hex3c0c39010

16118943760 has 40 divisors (see below), whose sum is σ = 37808216280. Its totient is φ = 6390515712.

The previous prime is 16118943727. The next prime is 16118943761. The reversal of 16118943760 is 6734981161.

It can be written as a sum of positive squares in 4 ways, for example, as 1607368464 + 14511575296 = 40092^2 + 120464^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16118943760.

It is not an unprimeable number, because it can be changed into a prime (16118943761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882495 + ... + 900574.

It is an arithmetic number, because the mean of its divisors is an integer number (945205407).

Almost surely, 216118943760 is an apocalyptic number.

16118943760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16118943760 is an abundant number, since it is smaller than the sum of its proper divisors (21689272520).

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

16118943760 is a wasteful number, since it uses less digits than its factorization.

16118943760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783195 (or 1783189 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 16118943760 in words is "sixteen billion, one hundred eighteen million, nine hundred forty-three thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 113 226 452 565 904 1130 1808 2260 4520 9040 1783069 3566138 7132276 8915345 14264552 17830690 28529104 35661380 71322760 142645520 201486797 402973594 805947188 1007433985 1611894376 2014867970 3223788752 4029735940 8059471880 16118943760