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2668342601 = 24111071961
BaseRepresentation
bin1001111100001011…
…1010110101001001
320212221221211220202
42133002322311021
520431043430401
61120435501545
7123060352331
oct23702726511
96787854822
102668342601
11114a234321
126257578b5
13336a81262
141b45520c1
151093d006b
hex9f0bad49

2668342601 has 4 divisors (see below), whose sum is σ = 2679414804. Its totient is φ = 2657270400.

The previous prime is 2668342583. The next prime is 2668342637. The reversal of 2668342601 is 1062438662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1062438662 = 2531219331.

It can be written as a sum of positive squares in 2 ways, for example, as 776179600 + 1892163001 = 27860^2 + 43499^2 .

It is a cyclic number.

It is not a de Polignac number, because 2668342601 - 214 = 2668326217 is a prime.

It is a super-2 number, since 2×26683426012 = 14240104472622890402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2668312601) 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, 5535740 + ... + 5536221.

It is an arithmetic number, because the mean of its divisors is an integer number (669853701).

Almost surely, 22668342601 is an apocalyptic number.

It is an amenable number.

2668342601 is a deficient number, since it is larger than the sum of its proper divisors (11072203).

2668342601 is a wasteful number, since it uses less digits than its factorization.

2668342601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11072202.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 2668342601 is about 51656.0025650456. The cubic root of 2668342601 is about 1387.0129948550.

The spelling of 2668342601 in words is "two billion, six hundred sixty-eight million, three hundred forty-two thousand, six hundred one".

Divisors: 1 241 11071961 2668342601