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17418534992 = 243729423201
BaseRepresentation
bin10000001110001110…
…011100000001010000
31122221221001020222122
4100032032130001100
5241133121104432
612000231353412
71154435050565
oct201616340120
948857036878
1017418534992
117429344171
123461522868
131847924351
14bb350a86c
156be2ec612
hex40e39c050

17418534992 has 20 divisors (see below), whose sum is σ = 34660531956. Its totient is φ = 8473881600.

The previous prime is 17418534979. The next prime is 17418535003. The reversal of 17418534992 is 29943581471.

It can be written as a sum of positive squares in 2 ways, for example, as 11313300496 + 6105234496 = 106364^2 + 78136^2 .

It is a super-2 number, since 2×174185349922 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14711009 + ... + 14712192.

Almost surely, 217418534992 is an apocalyptic number.

It is an amenable number.

17418534992 is a deficient number, since it is larger than the sum of its proper divisors (17241996964).

17418534992 is a wasteful number, since it uses less digits than its factorization.

17418534992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29423246 (or 29423240 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The spelling of 17418534992 in words is "seventeen billion, four hundred eighteen million, five hundred thirty-four thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 37 74 148 296 592 29423201 58846402 117692804 235385608 470771216 1088658437 2177316874 4354633748 8709267496 17418534992