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8538716157 = 317167425807
BaseRepresentation
bin1111111001111001…
…00111011111111101
3211001002002201112120
413330330213133331
5114441402404112
63531142153153
7421411614126
oct77474473775
924032081476
108538716157
113691978914
1217a37227b9
13a6103258a
145b005b04d
1534e95ee8c
hex1fcf277fd

8538716157 has 8 divisors (see below), whose sum is σ = 12054658176. Its totient is φ = 5357625792.

The previous prime is 8538716119. The next prime is 8538716201. The reversal of 8538716157 is 7516178358.

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

It is not a de Polignac number, because 8538716157 - 214 = 8538699773 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 167425807 = 8538716157 / (8 + 5 + 3 + 8 + 7 + 1 + 6 + 1 + 5 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8538716257) 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, 83712853 + ... + 83712954.

It is an arithmetic number, because the mean of its divisors is an integer number (1506832272).

Almost surely, 28538716157 is an apocalyptic number.

It is an amenable number.

8538716157 is a deficient number, since it is larger than the sum of its proper divisors (3515942019).

8538716157 is a wasteful number, since it uses less digits than its factorization.

8538716157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167425827.

The product of its digits is 1411200, while the sum is 51.

The square root of 8538716157 is about 92405.1738648870. The cubic root of 8538716157 is about 2043.9214073747.

The spelling of 8538716157 in words is "eight billion, five hundred thirty-eight million, seven hundred sixteen thousand, one hundred fifty-seven".

Divisors: 1 3 17 51 167425807 502277421 2846238719 8538716157