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135172847 is a prime number
BaseRepresentation
bin10000000111010…
…01001011101111
3100102100111021202
420003221023233
5234101012342
621225120115
73230643635
oct1003511357
9312314252
10135172847
116a3353a7
123932903b
132200a144
1413d49355
15bd01332
hex80e92ef

135172847 has 2 divisors, whose sum is σ = 135172848. Its totient is φ = 135172846.

The previous prime is 135172837. The next prime is 135172883. The reversal of 135172847 is 748271531.

135172847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135172847 - 210 = 135171823 is a prime.

It is a Chen prime.

It is equal to p7654736 and since 135172847 and 7654736 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135172847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135172837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67586423 + 67586424.

It is an arithmetic number, because the mean of its divisors is an integer number (67586424).

Almost surely, 2135172847 is an apocalyptic number.

135172847 is a deficient number, since it is larger than the sum of its proper divisors (1).

135172847 is an equidigital number, since it uses as much as digits as its factorization.

135172847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 38.

The square root of 135172847 is about 11626.3858098723. The cubic root of 135172847 is about 513.2116270848.

The spelling of 135172847 in words is "one hundred thirty-five million, one hundred seventy-two thousand, eight hundred forty-seven".