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5177938868739 = 34721329837853
BaseRepresentation
bin100101101011001010100…
…1101001111101000000011
3200100000011110111020010000
41023112111031033220003
51134313404322244424
615002413504011043
71043044103122200
oct113262515175003
920300143436100
105177938868739
111716a5155927a
126b7629300a83
132b737b9a9600
1413c883932ca7
158ea53ede3c9
hex4b59534fa03

5177938868739 has 180 divisors, whose sum is σ = 9754327010736. Its totient is φ = 2728094608512.

The previous prime is 5177938868681. The next prime is 5177938868749. The reversal of 5177938868739 is 9378688397715.

5177938868739 is a `hidden beast` number, since 5 + 177 + 9 + 388 + 68 + 7 + 3 + 9 = 666.

It is not a de Polignac number, because 5177938868739 - 211 = 5177938866691 is a prime.

It is a super-2 number, since 2×51779388687392 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (5177938868749) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 659354137 + ... + 659361989.

Almost surely, 25177938868739 is an apocalyptic number.

5177938868739 is a deficient number, since it is larger than the sum of its proper divisors (4576388141997).

5177938868739 is a wasteful number, since it uses less digits than its factorization.

5177938868739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8888 (or 8859 counting only the distinct ones).

The product of its digits is 3840721920, while the sum is 81.

The spelling of 5177938868739 in words is "five trillion, one hundred seventy-seven billion, nine hundred thirty-eight million, eight hundred sixty-eight thousand, seven hundred thirty-nine".