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428719794841 = 13434571678207
BaseRepresentation
bin1100011110100011011…
…00001110101010011001
31111222121012221010001001
412033101230032222121
524011004231413331
6524541241025001
742655035062212
oct6172154165231
91458535833031
10428719794841
11155901169338
126b109485161
13315747093a0
1416a705a0409
15b242e42561
hex63d1b0ea99

428719794841 has 16 divisors (see below), whose sum is σ = 473469466624. Its totient is φ = 385692015744.

The previous prime is 428719794823. The next prime is 428719794929. The reversal of 428719794841 is 148497917824.

It is a cyclic number.

It is not a de Polignac number, because 428719794841 - 25 = 428719794809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428719794821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583641 + ... + 1094566.

It is an arithmetic number, because the mean of its divisors is an integer number (29591841664).

Almost surely, 2428719794841 is an apocalyptic number.

It is an amenable number.

428719794841 is a deficient number, since it is larger than the sum of its proper divisors (44749671783).

428719794841 is a wasteful number, since it uses less digits than its factorization.

428719794841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678720.

The product of its digits is 32514048, while the sum is 64.

The spelling of 428719794841 in words is "four hundred twenty-eight billion, seven hundred nineteen million, seven hundred ninety-four thousand, eight hundred forty-one".

Divisors: 1 13 43 457 559 5941 19651 255463 1678207 21816691 72162901 766940599 938117713 9970227787 32978445757 428719794841