Search a number
-
+
49106116801 = 72316572
BaseRepresentation
bin101101101110111100…
…111110000011000001
311200202021211012101201
4231232330332003001
51301032131214201
634320430301201
73355616051200
oct555674760301
9150667735351
1049106116801
111990a139405
129625657801
134827808561
14253bb27237
151426175801
hexb6ef3e0c1

49106116801 has 9 divisors (see below), whose sum is σ = 57125246499. Its totient is φ = 42089627664.

The previous prime is 49106116789. The next prime is 49106116823. The reversal of 49106116801 is 10861160194.

The square root of 49106116801 is 221599.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 24007953025 + 25098163776 = 154945^2 + 158424^2 .

It is not a de Polignac number, because 49106116801 - 213 = 49106108609 is a prime.

It is a super-2 number, since 2×491061168012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49106116001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1535365 + ... + 1567021.

It is an arithmetic number, because the mean of its divisors is an integer number (6347249611).

Almost surely, 249106116801 is an apocalyptic number.

49106116801 is the 221599-th square number.

49106116801 is the 110800-th centered octagonal number.

It is an amenable number.

49106116801 is a deficient number, since it is larger than the sum of its proper divisors (8019129698).

49106116801 is an frugal number, since it uses more digits than its factorization.

49106116801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63328 (or 31664 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

Adding to 49106116801 its reverse (10861160194), we get a palindrome (59967276995).

The spelling of 49106116801 in words is "forty-nine billion, one hundred six million, one hundred sixteen thousand, eight hundred one".

Divisors: 1 7 49 31657 221599 1551193 1002165649 7015159543 49106116801