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159696051349 = 197778074837
BaseRepresentation
bin1001010010111010100…
…0000101110010010101
3120021012111021221211111
42110232220011302111
510104024142120344
6201210252335021
714352263016352
oct2245650056225
9507174257744
10159696051349
11617aa29202a
1226b49a74471
13120a02b8753
147a2d3d3629
154249e4d834
hex252ea05c95

159696051349 has 4 divisors (see below), whose sum is σ = 159704145964. Its totient is φ = 159687956736.

The previous prime is 159696051343. The next prime is 159696051379. The reversal of 159696051349 is 943150696951.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108989118225 + 50706933124 = 330135^2 + 225182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-159696051349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159696051293 and 159696051302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159696051343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4017642 + ... + 4057195.

It is an arithmetic number, because the mean of its divisors is an integer number (39926036491).

Almost surely, 2159696051349 is an apocalyptic number.

It is an amenable number.

159696051349 is a deficient number, since it is larger than the sum of its proper divisors (8094615).

159696051349 is an equidigital number, since it uses as much as digits as its factorization.

159696051349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8094614.

The product of its (nonzero) digits is 7873200, while the sum is 58.

The spelling of 159696051349 in words is "one hundred fifty-nine billion, six hundred ninety-six million, fifty-one thousand, three hundred forty-nine".

Divisors: 1 19777 8074837 159696051349