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420222244204 = 22715007937293
BaseRepresentation
bin1100001110101110011…
…00101001010101101100
31111011200000021210222101
412013113030221111230
523341103343303304
6521014125024444
742234333066130
oct6072714512554
91434600253871
10420222244204
11152240557814
12695376b5124
133081c08b009
14164a5bbb3c0
15ade6e148a4
hex61d732956c

420222244204 has 12 divisors (see below), whose sum is σ = 840444488464. Its totient is φ = 180095247504.

The previous prime is 420222244181. The next prime is 420222244241. The reversal of 420222244204 is 402442222024.

420222244204 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 15007937293 = 420222244204 / (4 + 2 + 0 + 2 + 2 + 2 + 2 + 4 + 4 + 2 + 0 + 4).

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, 7503968619 + ... + 7503968674.

Almost surely, 2420222244204 is an apocalyptic number.

It is an amenable number.

420222244204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420222244204 is a wasteful number, since it uses less digits than its factorization.

420222244204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15007937304 (or 15007937302 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 420222244204 its reverse (402442222024), we get a palindrome (822664466228).

The spelling of 420222244204 in words is "four hundred twenty billion, two hundred twenty-two million, two hundred forty-four thousand, two hundred four".

Divisors: 1 2 4 7 14 28 15007937293 30015874586 60031749172 105055561051 210111122102 420222244204