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163141361 = 8910118149
BaseRepresentation
bin10011011100101…
…01011011110001
3102100222102212122
421232111123301
5313231010421
624104404025
74020451535
oct1156253361
9370872778
10163141361
11840a8579
1246776615
1327a50566
1417949bc5
15e4c82ab
hex9b956f1

163141361 has 8 divisors (see below), whose sum is σ = 166617000. Its totient is φ = 159702400.

The previous prime is 163141357. The next prime is 163141379.

163141361 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 25806400 + 137334961 = 5080^2 + 11719^2 .

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 163141361 - 22 = 163141357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163141361.

It is not an unprimeable number, because it can be changed into a prime (163141301) 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, 86 + ... + 18063.

It is an arithmetic number, because the mean of its divisors is an integer number (20827125).

Almost surely, 2163141361 is an apocalyptic number.

It is an amenable number.

163141361 is a deficient number, since it is larger than the sum of its proper divisors (3475639).

163141361 is a wasteful number, since it uses less digits than its factorization.

163141361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18339.

The product of its digits is 1296, while the sum is 26.

The square root of 163141361 is about 12772.6802590529. The cubic root of 163141361 is about 546.4134240400.

The spelling of 163141361 in words is "one hundred sixty-three million, one hundred forty-one thousand, three hundred sixty-one".

Divisors: 1 89 101 8989 18149 1615261 1833049 163141361