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5178171005 = 57147947743
BaseRepresentation
bin1001101001010010…
…01001111001111101
3111100212122100020022
410310221021321331
541101102433010
62213454101525
7242214504320
oct46451117175
914325570208
105178171005
112217a40577
1210061aa8a5
13646a42117
14371a007b7
152048ecd55
hex134a49e7d

5178171005 has 8 divisors (see below), whose sum is σ = 7101491712. Its totient is φ = 3550745808.

The previous prime is 5178170957. The next prime is 5178171007. The reversal of 5178171005 is 5001718715.

5178171005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5178171005 - 210 = 5178169981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 147947743 = 5178171005 / (5 + 1 + 7 + 8 + 1 + 7 + 1 + 0 + 0 + 5).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5178171007) 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, 73973837 + ... + 73973906.

It is an arithmetic number, because the mean of its divisors is an integer number (887686464).

Almost surely, 25178171005 is an apocalyptic number.

It is an amenable number.

5178171005 is a deficient number, since it is larger than the sum of its proper divisors (1923320707).

5178171005 is a wasteful number, since it uses less digits than its factorization.

5178171005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147947755.

The product of its (nonzero) digits is 9800, while the sum is 35.

The square root of 5178171005 is about 71959.5094827640. The cubic root of 5178171005 is about 1730.0505631919.

The spelling of 5178171005 in words is "five billion, one hundred seventy-eight million, one hundred seventy-one thousand, five".

Divisors: 1 5 7 35 147947743 739738715 1035634201 5178171005