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16872462346909 = 1328142451108803
BaseRepresentation
bin1111010110000110110100…
…0111111110101010011101
32012201222202220121011112111
43311201231013332222131
54202414300330100114
655515034024034021
73360665226424231
oct365415507765235
965658686534474
1016872462346909
115415631148984
121a85bb5602911
139550b2a87220
144248bad085c1
151e3d58a6cbc4
hexf586d1fea9d

16872462346909 has 16 divisors (see below), whose sum is σ = 18235604366784. Its totient is φ = 15518646864000.

The previous prime is 16872462346891. The next prime is 16872462346967. The reversal of 16872462346909 is 90964326427861.

It is a cyclic number.

It is not a de Polignac number, because 16872462346909 - 25 = 16872462346877 is a prime.

It is a super-3 number, since 3×168724623469093 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16872462346409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155019102 + ... + 155127904.

It is an arithmetic number, because the mean of its divisors is an integer number (1139725272924).

Almost surely, 216872462346909 is an apocalyptic number.

It is an amenable number.

16872462346909 is a deficient number, since it is larger than the sum of its proper divisors (1363142019875).

16872462346909 is a wasteful number, since it uses less digits than its factorization.

16872462346909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151548.

The product of its (nonzero) digits is 188116992, while the sum is 67.

The spelling of 16872462346909 in words is "sixteen trillion, eight hundred seventy-two billion, four hundred sixty-two million, three hundred forty-six thousand, nine hundred nine".

Divisors: 1 13 281 3653 42451 108803 551863 1414439 11928731 30573643 155073503 397457359 4618796153 60044349989 1297881718993 16872462346909