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16554432774013 = 172342179227789
BaseRepresentation
bin1111000011100110000100…
…0101011011111101111101
32011121120212212211221101021
43300321201011123331331
54132211434242232023
655113000150344141
73326006163600241
oct360714105337575
964546785757337
1016554432774013
115302771800712
121a3443a05b051
139310cb8725b4
1441334b47c421
151da94361335d
hexf0e6115bf7d

16554432774013 has 8 divisors (see below), whose sum is σ = 16564506112800. Its totient is φ = 16544359978608.

The previous prime is 16554432773969. The next prime is 16554432774073. The reversal of 16554432774013 is 31047723445561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16554432774013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16554432774073) 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, 72560523 + ... + 72788311.

It is an arithmetic number, because the mean of its divisors is an integer number (2070563264100).

Almost surely, 216554432774013 is an apocalyptic number.

It is an amenable number.

16554432774013 is a deficient number, since it is larger than the sum of its proper divisors (10073338787).

16554432774013 is a wasteful number, since it uses less digits than its factorization.

16554432774013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271691.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 16554432774013 in words is "sixteen trillion, five hundred fifty-four billion, four hundred thirty-two million, seven hundred seventy-four thousand, thirteen".

Divisors: 1 1723 42179 227789 72674417 392480447 9607912231 16554432774013