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4042400320213 = 8945420228317
BaseRepresentation
bin111010110100110001110…
…101011100101011010101
3112022110010211101010202021
4322310301311130223111
51012212313440221323
612333015244013141
7565024306533043
oct72646165345325
915273124333667
104042400320213
111319410660822
1255353b8311b1
132342732495c8
14dd920611393
157024357d05d
hex3ad31d5cad5

4042400320213 has 4 divisors (see below), whose sum is σ = 4087820548620. Its totient is φ = 3996980091808.

The previous prime is 4042400320177. The next prime is 4042400320279. The reversal of 4042400320213 is 3120230042404.

It is a happy number.

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 318573322929 + 3723826997284 = 564423^2 + 1929722^2 .

It is not a de Polignac number, because 4042400320213 - 229 = 4041863449301 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 (4042400920213) 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, 22710114070 + ... + 22710114247.

It is an arithmetic number, because the mean of its divisors is an integer number (1021955137155).

Almost surely, 24042400320213 is an apocalyptic number.

It is an amenable number.

4042400320213 is a deficient number, since it is larger than the sum of its proper divisors (45420228407).

4042400320213 is an equidigital number, since it uses as much as digits as its factorization.

4042400320213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45420228406.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 4042400320213 its reverse (3120230042404), we get a palindrome (7162630362617).

The spelling of 4042400320213 in words is "four trillion, forty-two billion, four hundred million, three hundred twenty thousand, two hundred thirteen".

Divisors: 1 89 45420228317 4042400320213