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2240121013 = 13871319777
BaseRepresentation
bin1000010110000101…
…1000100010110101
312210010011221022221
42011201120202311
514041432333023
61010141322341
7106340500024
oct20541304265
95703157287
102240121013
11a4a543089
125262663b1
1329913b2c0
141737228bb
15d19e485d
hex858588b5

2240121013 has 8 divisors (see below), whose sum is σ = 2412836888. Its totient is φ = 2067462144.

The previous prime is 2240120999. The next prime is 2240121017. The reversal of 2240121013 is 3101210422.

It can be written as a sum of positive squares in 4 ways, for example, as 491375889 + 1748745124 = 22167^2 + 41818^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2240121013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240121017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103381 + ... + 123157.

It is an arithmetic number, because the mean of its divisors is an integer number (301604611).

Almost surely, 22240121013 is an apocalyptic number.

It is an amenable number.

2240121013 is a deficient number, since it is larger than the sum of its proper divisors (172715875).

2240121013 is a wasteful number, since it uses less digits than its factorization.

2240121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28503.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2240121013 is about 47329.9166806788. The cubic root of 2240121013 is about 1308.4500856480.

Adding to 2240121013 its reverse (3101210422), we get a palindrome (5341331435).

The spelling of 2240121013 in words is "two billion, two hundred forty million, one hundred twenty-one thousand, thirteen".

Divisors: 1 13 8713 19777 113269 257101 172317001 2240121013