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2420042236457 = 8367547431657
BaseRepresentation
bin100011001101110101110…
…000100000001000101001
322120100112220102022201212
4203031311300200020221
5304122221303031312
65051430235522505
7336561621414236
oct43156560401051
98510486368655
102420042236457
1185337483006a
1233102b2b9435
13147294247b11
14851b87b078d
1542e3e1d6822
hex23375c20229

2420042236457 has 8 divisors (see below), whose sum is σ = 2449241305056. Its totient is φ = 2390844166432.

The previous prime is 2420042236453. The next prime is 2420042236481. The reversal of 2420042236457 is 7546322400242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2420042236457 - 22 = 2420042236453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2420042236453) 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 7 ways as a sum of consecutive naturals, for example, 5390573 + ... + 5822229.

It is an arithmetic number, because the mean of its divisors is an integer number (306155163132).

Almost surely, 22420042236457 is an apocalyptic number.

It is an amenable number.

2420042236457 is a deficient number, since it is larger than the sum of its proper divisors (29199068599).

2420042236457 is an equidigital number, since it uses as much as digits as its factorization.

2420042236457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499287.

The product of its (nonzero) digits is 645120, while the sum is 41.

Adding to 2420042236457 its reverse (7546322400242), we get a palindrome (9966364636699).

The spelling of 2420042236457 in words is "two trillion, four hundred twenty billion, forty-two million, two hundred thirty-six thousand, four hundred fifty-seven".

Divisors: 1 83 67547 431657 5606401 35827531 29157135379 2420042236457