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428428424358 = 232112163779921
BaseRepresentation
bin1100011110000000101…
…00101111010010100110
31111221211220122221212200
412033000110233102212
524004410134034413
6524452311555330
742644566343454
oct6170024572246
91457756587780
10428428424358
11155771749390
126b04798bb46
133152924040c
1416a439d59d4
15b22758a573
hex63c052f4a6

428428424358 has 24 divisors (see below), whose sum is σ = 1012649003496. Its totient is φ = 129826795200.

The previous prime is 428428424321. The next prime is 428428424371. The reversal of 428428424358 is 853424824824.

It is a happy number.

428428424358 is a `hidden beast` number, since 4 + 2 + 8 + 4 + 284 + 2 + 4 + 358 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1081889763 + ... + 1081890158.

It is an arithmetic number, because the mean of its divisors is an integer number (42193708479).

Almost surely, 2428428424358 is an apocalyptic number.

428428424358 is an abundant number, since it is smaller than the sum of its proper divisors (584220579138).

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

428428424358 is a wasteful number, since it uses less digits than its factorization.

428428424358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163779940 (or 2163779937 counting only the distinct ones).

The product of its digits is 15728640, while the sum is 54.

The spelling of 428428424358 in words is "four hundred twenty-eight billion, four hundred twenty-eight million, four hundred twenty-four thousand, three hundred fifty-eight".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 2163779921 4327559842 6491339763 12982679526 19474019289 23801579131 38948038578 47603158262 71404737393 142809474786 214214212179 428428424358