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161056344323 = 7106121685249
BaseRepresentation
bin1001010111111110110…
…1001100100100000011
3120101201021220222222202
42111333231030210003
510114320411004243
6201553244223415
714431061224160
oct2257755144403
9511637828882
10161056344323
11623381202a6
122726953ab6b
1312259073b34
147b1bd2b067
1542c959d4b8
hex257fb4c903

161056344323 has 8 divisors (see below), whose sum is σ = 184237884000. Its totient is φ = 137918177280.

The previous prime is 161056344299. The next prime is 161056344347. The reversal of 161056344323 is 323443650161.

It is an interprime number because it is at equal distance from previous prime (161056344299) and next prime (161056344347).

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 161056344323 - 28 = 161056344067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161056344373) 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, 10835198 + ... + 10850051.

It is an arithmetic number, because the mean of its divisors is an integer number (23029735500).

Almost surely, 2161056344323 is an apocalyptic number.

161056344323 is a deficient number, since it is larger than the sum of its proper divisors (23181539677).

161056344323 is a wasteful number, since it uses less digits than its factorization.

161056344323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21686317.

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 161056344323 its reverse (323443650161), we get a palindrome (484499994484).

The spelling of 161056344323 in words is "one hundred sixty-one billion, fifty-six million, three hundred forty-four thousand, three hundred twenty-three".

Divisors: 1 7 1061 7427 21685249 151796743 23008049189 161056344323