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16969128453 = 341171178903
BaseRepresentation
bin11111100110111000…
…00101101000000101
31121210121102001010000
433303130011220011
5234223044102303
611443455151513
71140340132464
oct176334055005
947717361100
1016969128453
1172186a3402
123356b15599
1317a57a4814
14b6d9649db
15694b29da3
hex3f3705a05

16969128453 has 20 divisors (see below), whose sum is σ = 25370734048. Its totient is φ = 11303028360.

The previous prime is 16969128427. The next prime is 16969128461. The reversal of 16969128453 is 35482196961.

16969128453 is a `hidden beast` number, since 1 + 6 + 9 + 69 + 128 + 453 = 666.

16969128453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16969128453 - 216 = 16969062917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16969128453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16969128403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5400 + ... + 184302.

Almost surely, 216969128453 is an apocalyptic number.

It is an amenable number.

16969128453 is a deficient number, since it is larger than the sum of its proper divisors (8401605595).

16969128453 is a wasteful number, since it uses less digits than its factorization.

16969128453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180086 (or 180077 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 16969128453 in words is "sixteen billion, nine hundred sixty-nine million, one hundred twenty-eight thousand, four hundred fifty-three".

Divisors: 1 3 9 27 81 1171 3513 10539 31617 94851 178903 536709 1610127 4830381 14491143 209495413 628486239 1885458717 5656376151 16969128453