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428003070803072 = 2719712478705701
BaseRepresentation
bin110000101010001000011101…
…0111111110111110010000000
32002010102200201220100222112222
41201110100322333313302000
5422044400242111144242
64114141521335110212
7156103126042246232
oct14124207277676200
92063380656328488
10428003070803072
111144140a04a6746
1240005a42512368
13154a869369a37b
14779965dcdc252
15347351e8075d2
hex185443aff7c80

428003070803072 has 64 divisors (see below), whose sum is σ = 910180733774400. Its totient is φ = 199882827648000.

The previous prime is 428003070803071. The next prime is 428003070803089. The reversal of 428003070803072 is 270308070300824.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (428003070803071) 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, 1239180179 + ... + 1239525522.

It is an arithmetic number, because the mean of its divisors is an integer number (14221573965225).

Almost surely, 2428003070803072 is an apocalyptic number.

It is an amenable number.

428003070803072 is an abundant number, since it is smaller than the sum of its proper divisors (482177662971328).

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

428003070803072 is a wasteful number, since it uses less digits than its factorization.

428003070803072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478705805 (or 2478705793 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 428003070803072 in words is "four hundred twenty-eight trillion, three billion, seventy million, eight hundred three thousand, seventy-two".

Divisors: 1 2 4 8 16 19 32 38 64 71 76 128 142 152 284 304 568 608 1136 1216 1349 2272 2432 2698 4544 5396 9088 10792 21584 43168 86336 172672 2478705701 4957411402 9914822804 19829645608 39659291216 47095408319 79318582432 94190816638 158637164864 175988104771 188381633276 317274329728 351976209542 376763266552 703952419084 753526533104 1407904838168 1507053066208 2815809676336 3014106132416 3343773990649 5631619352672 6028212264832 6687547981298 11263238705344 13375095962596 22526477410688 26750191925192 53500383850384 107000767700768 214001535401536 428003070803072