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16488715361 = 175318300461
BaseRepresentation
bin11110101101100110…
…11101010001100001
31120120010102112020112
433112303131101201
5232232102342421
611324054221105
71122414524306
oct172663352141
946503375215
1016488715361
116aa14a4998
123242054795
13172a0b9b11
14b25c2b0ad
1566788045b
hex3d6cdd461

16488715361 has 8 divisors (see below), whose sum is σ = 17788049064. Its totient is φ = 15225982720.

The previous prime is 16488715351. The next prime is 16488715363. The reversal of 16488715361 is 16351788461.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6241000000 + 10247715361 = 79000^2 + 101231^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16488715361 - 214 = 16488698977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16488715363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9149330 + ... + 9151131.

It is an arithmetic number, because the mean of its divisors is an integer number (2223506133).

Almost surely, 216488715361 is an apocalyptic number.

It is an amenable number.

16488715361 is a deficient number, since it is larger than the sum of its proper divisors (1299333703).

16488715361 is a wasteful number, since it uses less digits than its factorization.

16488715361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18300531.

The product of its digits is 967680, while the sum is 50.

The spelling of 16488715361 in words is "sixteen billion, four hundred eighty-eight million, seven hundred fifteen thousand, three hundred sixty-one".

Divisors: 1 17 53 901 18300461 311107837 969924433 16488715361