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420065351848 = 2352508168981
BaseRepresentation
bin1100001110011011101…
…10001001100010101000
31111011021002001212010101
412013031312021202220
523340243212224343
6520550402155144
742230416402042
oct6071566114250
91434232055111
10420065351848
1115216aa3820a
12694b3052ab4
13307c5717bbc
141648d01aa92
15add8272e4d
hex61cdd898a8

420065351848 has 8 divisors (see below), whose sum is σ = 787622534730. Its totient is φ = 210032675920.

The previous prime is 420065351821. The next prime is 420065351863. The reversal of 420065351848 is 848153560024.

It can be written as a sum of positive squares in only one way, i.e., 215090033284 + 204975318564 = 463778^2 + 452742^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 420065351798 and 420065351807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26254084483 + ... + 26254084498.

Almost surely, 2420065351848 is an apocalyptic number.

It is an amenable number.

420065351848 is a deficient number, since it is larger than the sum of its proper divisors (367557182882).

420065351848 is a wasteful number, since it uses less digits than its factorization.

420065351848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52508168987 (or 52508168983 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 420065351848 in words is "four hundred twenty billion, sixty-five million, three hundred fifty-one thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 52508168981 105016337962 210032675924 420065351848