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428617936894 = 27107209285569
BaseRepresentation
bin1100011110010111001…
…11101010111111111110
31111222100010021012012111
412033023213222333332
524010302142440034
6524523201524234
742652360231240
oct6171347527776
91458303235174
10428617936894
11155859718a14
126b09b34367a
1331559595004
1416a60c48090
15b239022364
hex63cb9eaffe

428617936894 has 16 divisors (see below), whose sum is σ = 734783032800. Its totient is φ = 183691044864.

The previous prime is 428617936847. The next prime is 428617936897. The reversal of 428617936894 is 498639716824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428617936897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358142 + ... + 1643710.

It is an arithmetic number, because the mean of its divisors is an integer number (45923939550).

Almost surely, 2428617936894 is an apocalyptic number.

428617936894 is a deficient number, since it is larger than the sum of its proper divisors (306165095906).

428617936894 is a wasteful number, since it uses less digits than its factorization.

428617936894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392787.

The product of its digits is 125411328, while the sum is 67.

The spelling of 428617936894 in words is "four hundred twenty-eight billion, six hundred seventeen million, nine hundred thirty-six thousand, eight hundred ninety-four".

Divisors: 1 2 7 14 107209 214418 285569 571138 750463 1500926 1998983 3997966 30615566921 61231133842 214308968447 428617936894