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2122242413 = 17269464081
BaseRepresentation
bin111111001111110…
…1101100101101101
312110220101002021212
41332133231211231
513321243224123
6550331004205
7103406522444
oct17637554555
95426332255
102122242413
11999a50155
124b2899665
1327a8a7b55
14161bd9d5b
15c64ac878
hex7e7ed96d

2122242413 has 8 divisors (see below), whose sum is σ = 2255438520. Its totient is φ = 1989975040.

The previous prime is 2122242403. The next prime is 2122242427. The reversal of 2122242413 is 3142422212.

It can be written as a sum of positive squares in 4 ways, for example, as 696273769 + 1425968644 = 26387^2 + 37762^2 .

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-2122242413 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 (2122242403) 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, 227468 + ... + 236613.

It is an arithmetic number, because the mean of its divisors is an integer number (281929815).

Almost surely, 22122242413 is an apocalyptic number.

It is an amenable number.

2122242413 is a deficient number, since it is larger than the sum of its proper divisors (133196107).

2122242413 is a wasteful number, since it uses less digits than its factorization.

2122242413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464367.

The product of its digits is 1536, while the sum is 23.

The square root of 2122242413 is about 46067.8023461072. The cubic root of 2122242413 is about 1285.0844343879.

Adding to 2122242413 its reverse (3142422212), we get a palindrome (5264664625).

The spelling of 2122242413 in words is "two billion, one hundred twenty-two million, two hundred forty-two thousand, four hundred thirteen".

Divisors: 1 17 269 4573 464081 7889377 124837789 2122242413