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2928131201 = 10942163809
BaseRepresentation
bin1010111010000111…
…1011110010000001
321120001210110212202
42232201323302001
521444100144301
61202320002545
7132363463442
oct25641736201
97501713782
102928131201
111272943346
12698760455
13378840218
141dac592c9
151220e966b
hexae87bc81

2928131201 has 8 divisors (see below), whose sum is σ = 2962060200. Its totient is φ = 2894330880.

The previous prime is 2928131183. The next prime is 2928131203. The reversal of 2928131201 is 1021318292.

2928131201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 140185600 + 2787945601 = 11840^2 + 52801^2 .

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 2928131201 - 26 = 2928131137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2928131203) 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, 13985 + ... + 77793.

It is an arithmetic number, because the mean of its divisors is an integer number (370257525).

Almost surely, 22928131201 is an apocalyptic number.

It is an amenable number.

2928131201 is a deficient number, since it is larger than the sum of its proper divisors (33928999).

2928131201 is a wasteful number, since it uses less digits than its factorization.

2928131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64339.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 2928131201 is about 54112.2093524188. The cubic root of 2928131201 is about 1430.6393869170.

Adding to 2928131201 its reverse (1021318292), we get a palindrome (3949449493).

The spelling of 2928131201 in words is "two billion, nine hundred twenty-eight million, one hundred thirty-one thousand, two hundred one".

Divisors: 1 109 421 45889 63809 6955181 26863589 2928131201