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2420002213 = 12821188753
BaseRepresentation
bin1001000000111110…
…0100110110100101
320020122122211221121
42100033210312211
514424010032323
61040045013541
7113653452016
oct22017446645
96218584847
102420002213
111032034532
125765542b1
132c74a0095
1418d58900d
15e26c7a5d
hex903e4da5

2420002213 has 4 divisors (see below), whose sum is σ = 2420203788. Its totient is φ = 2419800640.

The previous prime is 2420002183. The next prime is 2420002229. The reversal of 2420002213 is 3122000242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 654489889 + 1765512324 = 25583^2 + 42018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2420002213 is a prime.

It is a super-3 number, since 3×24200022133 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420002283) 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, 81556 + ... + 107197.

It is an arithmetic number, because the mean of its divisors is an integer number (605050947).

Almost surely, 22420002213 is an apocalyptic number.

It is an amenable number.

2420002213 is a deficient number, since it is larger than the sum of its proper divisors (201575).

2420002213 is a wasteful number, since it uses less digits than its factorization.

2420002213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201574.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2420002213 is about 49193.5179978013. The cubic root of 2420002213 is about 1342.5750981621.

Adding to 2420002213 its reverse (3122000242), we get a palindrome (5542002455).

The spelling of 2420002213 in words is "two billion, four hundred twenty million, two thousand, two hundred thirteen".

Divisors: 1 12821 188753 2420002213