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2420402111 = 3031379847
BaseRepresentation
bin1001000001000100…
…0110011110111111
320020200102011111122
42100101012132333
514424110331421
61040101341155
7113660035631
oct22021063677
96220364448
102420402111
111032287a26
125767077bb
132c75b00ca
1418d650a51
15e27562ab
hex904467bf

2420402111 has 4 divisors (see below), whose sum is σ = 2420512272. Its totient is φ = 2420291952.

The previous prime is 2420402107. The next prime is 2420402113. The reversal of 2420402111 is 1112040242.

2420402111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1112040242 = 2556020121.

It is a cyclic number.

It is not a de Polignac number, because 2420402111 - 22 = 2420402107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2420402111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420402113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9611 + ... + 70236.

It is an arithmetic number, because the mean of its divisors is an integer number (605128068).

Almost surely, 22420402111 is an apocalyptic number.

2420402111 is a deficient number, since it is larger than the sum of its proper divisors (110161).

2420402111 is an equidigital number, since it uses as much as digits as its factorization.

2420402111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110160.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2420402111 is about 49197.5823694620. The cubic root of 2420402111 is about 1342.6490462385.

Adding to 2420402111 its reverse (1112040242), we get a palindrome (3532442353).

The spelling of 2420402111 in words is "two billion, four hundred twenty million, four hundred two thousand, one hundred eleven".

Divisors: 1 30313 79847 2420402111