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275673143161 = 13101209956697
BaseRepresentation
bin1000000001011110110…
…01100101011101111001
3222100120010122122202101
410000233121211131321
514004034311040121
6330350440103401
725626303024433
oct4005731453571
9870503578671
10275673143161
11a6a04336739
1245516464b61
131ccc3bc0370
14d4b2341653
157286b56491
hex402f665779

275673143161 has 8 divisors (see below), whose sum is σ = 299818164744. Its totient is φ = 251948035200.

The previous prime is 275673143129. The next prime is 275673143189. The reversal of 275673143161 is 161341376572.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40428742761 + 235244400400 = 201069^2 + 485020^2 .

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 275673143161 - 25 = 275673143129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275673143101) 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, 104977036 + ... + 104979661.

It is an arithmetic number, because the mean of its divisors is an integer number (37477270593).

Almost surely, 2275673143161 is an apocalyptic number.

It is an amenable number.

275673143161 is a deficient number, since it is larger than the sum of its proper divisors (24145021583).

275673143161 is a wasteful number, since it uses less digits than its factorization.

275673143161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209956811.

The product of its digits is 635040, while the sum is 46.

The spelling of 275673143161 in words is "two hundred seventy-five billion, six hundred seventy-three million, one hundred forty-three thousand, one hundred sixty-one".

Divisors: 1 13 101 1313 209956697 2729437061 21205626397 275673143161