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16973155919 = 471275235437
BaseRepresentation
bin11111100111010110…
…11100111001001111
31121210212222122202102
433303223130321033
5234230111442134
611444121345315
71140416305406
oct176353347117
947725878672
1016973155919
11721a9a4295
12335833823b
1317a6584a35
14b702d263d
1569517337e
hex3f3adce4f

16973155919 has 16 divisors (see below), whose sum is σ = 17507401728. Its totient is φ = 16446683232.

The previous prime is 16973155879. The next prime is 16973155957. The reversal of 16973155919 is 91955137961.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16973155919 is a prime.

It is a super-2 number, since 2×169731559192 (a number of 21 digits) contains 22 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 (16933155919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3119069 + ... + 3124505.

It is an arithmetic number, because the mean of its divisors is an integer number (1094212608).

Almost surely, 216973155919 is an apocalyptic number.

16973155919 is a deficient number, since it is larger than the sum of its proper divisors (534245809).

16973155919 is a wasteful number, since it uses less digits than its factorization.

16973155919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6134.

The product of its digits is 2296350, while the sum is 56.

The spelling of 16973155919 in words is "sixteen billion, nine hundred seventy-three million, one hundred fifty-five thousand, nine hundred nineteen".

Divisors: 1 47 127 523 5437 5969 24581 66421 255539 690499 2843551 3121787 32453453 133646897 361130977 16973155919