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16886742744 = 2331108763463
BaseRepresentation
bin11111011101000011…
…10011111011011000
31121120212101102011110
433232201303323120
5234041001231434
611431353300320
71135316642064
oct175641637330
947525342143
1016886742744
117186142843
1233334046a0
1317916ba591
14b62a3aaa4
1568c7a44e9
hex3ee873ed8

16886742744 has 32 divisors (see below), whose sum is σ = 42221329920. Its totient is φ = 5628317856.

The previous prime is 16886742641. The next prime is 16886742749. The reversal of 16886742744 is 44724768861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16886742749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234357 + ... + 297819.

It is an arithmetic number, because the mean of its divisors is an integer number (1319416560).

Almost surely, 216886742744 is an apocalyptic number.

It is an amenable number.

16886742744 is an abundant number, since it is smaller than the sum of its proper divisors (25334587176).

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

16886742744 is a wasteful number, since it uses less digits than its factorization.

16886742744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74559 (or 74555 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 57.

The spelling of 16886742744 in words is "sixteen billion, eight hundred eighty-six million, seven hundred forty-two thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 11087 22174 33261 44348 63463 66522 88696 126926 133044 190389 253852 266088 380778 507704 761556 1523112 703614281 1407228562 2110842843 2814457124 4221685686 5628914248 8443371372 16886742744