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42887028672 = 263274456647
BaseRepresentation
bin100111111100010001…
…000001111111000000
311002200212111210022100
4213330101001333000
51200313034404142
631411345510400
73045531505005
oct477421017700
9132625453270
1042887028672
1117208678454
12838a942400
134076231157
14210bba78ac
1511b01b2b4c
hex9fc441fc0

42887028672 has 42 divisors (see below), whose sum is σ = 122927925848. Its totient is φ = 14295676032.

The previous prime is 42887028619. The next prime is 42887028689. The reversal of 42887028672 is 27682078824.

42887028672 is a `hidden beast` number, since 428 + 8 + 70 + 2 + 86 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37227748 + ... + 37228899.

Almost surely, 242887028672 is an apocalyptic number.

It is an amenable number.

42887028672 is an abundant number, since it is smaller than the sum of its proper divisors (80040897176).

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

42887028672 is a wasteful number, since it uses less digits than its factorization.

42887028672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74456665 (or 74456652 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 54.

The spelling of 42887028672 in words is "forty-two billion, eight hundred eighty-seven million, twenty-eight thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 74456647 148913294 223369941 297826588 446739882 595653176 670109823 893479764 1191306352 1340219646 1786959528 2382612704 2680439292 3573919056 4765225408 5360878584 7147838112 10721757168 14295676224 21443514336 42887028672