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1051352105161 = 1996215266741
BaseRepresentation
bin11110100110010010111…
…10000000000011001001
310201111201112110122200211
433103021132000003021
5114211132114331121
62122552352201121
7135646325305231
oct17231136000311
93644645418624
101051352105161
1137596a944626
1214b9138391a1
13781b01b7b97
1438c5857ccc1
151c534b8ece1
hexf4c97800c9

1051352105161 has 4 divisors (see below), whose sum is σ = 1051357571524. Its totient is φ = 1051346638800.

The previous prime is 1051352105129. The next prime is 1051352105171. The reversal of 1051352105161 is 1615012531501.

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 670669275136 + 380682830025 = 818944^2 + 616995^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051352105161 - 25 = 1051352105129 is a prime.

It is a super-2 number, since 2×10513521051612 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051352105101) 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, 2433750 + ... + 2832991.

It is an arithmetic number, because the mean of its divisors is an integer number (262839392881).

Almost surely, 21051352105161 is an apocalyptic number.

It is an amenable number.

1051352105161 is a deficient number, since it is larger than the sum of its proper divisors (5466363).

1051352105161 is an equidigital number, since it uses as much as digits as its factorization.

1051352105161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466362.

The product of its (nonzero) digits is 4500, while the sum is 31.

Adding to 1051352105161 its reverse (1615012531501), we get a palindrome (2666364636662).

The spelling of 1051352105161 in words is "one trillion, fifty-one billion, three hundred fifty-two million, one hundred five thousand, one hundred sixty-one".

Divisors: 1 199621 5266741 1051352105161