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420310411220242 = 21153182268174857
BaseRepresentation
bin101111110010001010010010…
…0110000011001010100010010
32001010012021122020012102210101
41133210110210300121110102
5420042331210233021432
64045531534242523014
7154350265545544444
oct13744244460312422
92033167566172711
10420310411220242
11111a1870a733884
123b182b8236646a
131506b1425ba22a
1475b11bd612494
15338d3896ae4e7
hex17e4524c19512

420310411220242 has 8 divisors (see below), whose sum is σ = 631012421358396. Its totient is φ = 209972937434112.

The previous prime is 420310411220197. The next prime is 420310411220257. The reversal of 420310411220242 is 242022114013024.

It can be written as a sum of positive squares in 2 ways, for example, as 417927738044961 + 2382673175281 = 20443281^2 + 1543591^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 420310411220242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91134085123 + ... + 91134089734.

Almost surely, 2420310411220242 is an apocalyptic number.

420310411220242 is a deficient number, since it is larger than the sum of its proper divisors (210702010138154).

420310411220242 is a wasteful number, since it uses less digits than its factorization.

420310411220242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182268176012.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 420310411220242 its reverse (242022114013024), we get a palindrome (662332525233266).

The spelling of 420310411220242 in words is "four hundred twenty trillion, three hundred ten billion, four hundred eleven million, two hundred twenty thousand, two hundred forty-two".

Divisors: 1 2 1153 2306 182268174857 364536349714 210155205610121 420310411220242