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428159970285 = 35175897284731
BaseRepresentation
bin1100011101100000101…
…00101010101111101101
31111221011012112002010020
412032300110222233231
524003332423022120
6524405522032353
742635126461515
oct6166024525755
91457135462106
10428159970285
11155644160913
126ab91aa86b9
13314b5739158
1416a1a0b4845
15b20dc0d640
hex63b052abed

428159970285 has 32 divisors (see below), whose sum is σ = 725478913152. Its totient is φ = 214882314240.

The previous prime is 428159970241. The next prime is 428159970317. The reversal of 428159970285 is 582079951824.

It is not a de Polignac number, because 428159970285 - 26 = 428159970221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1361370 + ... + 1646100.

It is an arithmetic number, because the mean of its divisors is an integer number (22671216036).

Almost surely, 2428159970285 is an apocalyptic number.

It is an amenable number.

428159970285 is a deficient number, since it is larger than the sum of its proper divisors (297318942867).

428159970285 is a wasteful number, since it uses less digits than its factorization.

428159970285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290653.

The product of its (nonzero) digits is 14515200, while the sum is 60.

The spelling of 428159970285 in words is "four hundred twenty-eight billion, one hundred fifty-nine million, nine hundred seventy thousand, two hundred eighty-five".

Divisors: 1 3 5 15 17 51 85 255 5897 17691 29485 88455 100249 284731 300747 501245 854193 1423655 1503735 4270965 4840427 14521281 24202135 72606405 1679058707 5037176121 8395293535 25185880605 28543998019 85631994057 142719990095 428159970285