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1449092071818 = 23431128762099
BaseRepresentation
bin10101000101100100100…
…111100100000110001010
312010112100201101102210000
4111011210213210012022
5142220220032244233
63025412000103430
7206456565243606
oct25054447440612
95115321342700
101449092071818
11509613773476
121b4a16004b76
13a6858535691
14501ca518506
1527a62e5dd13
hex151649e418a

1449092071818 has 40 divisors (see below), whose sum is σ = 3257480397600. Its totient is φ = 481477520520.

The previous prime is 1449092071811. The next prime is 1449092071859. The reversal of 1449092071818 is 8181702909441.

1449092071818 is a `hidden beast` number, since 1 + 4 + 490 + 9 + 2 + 0 + 71 + 81 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1449092071811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14330668 + ... + 14431431.

It is an arithmetic number, because the mean of its divisors is an integer number (81437009940).

Almost surely, 21449092071818 is an apocalyptic number.

1449092071818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1449092071818 is an abundant number, since it is smaller than the sum of its proper divisors (1808388325782).

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

1449092071818 is a wasteful number, since it uses less digits than its factorization.

1449092071818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28762424 (or 28762415 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 1449092071818 in words is "one trillion, four hundred forty-nine billion, ninety-two million, seventy-one thousand, eight hundred eighteen".

Divisors: 1 2 3 6 9 18 27 54 81 162 311 622 933 1866 2799 5598 8397 16794 25191 50382 28762099 57524198 86286297 172572594 258858891 517717782 776576673 1553153346 2329730019 4659460038 8945012789 17890025578 26835038367 53670076734 80505115101 161010230202 241515345303 483030690606 724546035909 1449092071818