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42577742984 = 2374631642153
BaseRepresentation
bin100111101001110101…
…001100110010001000
311001220022112110002212
4213221311030302020
51144144400233414
631320540444252
73035054562320
oct475165146210
9131808473085
1042577742984
111706a031547
128303249688
13402713197a
1420bca98280
151192e6c83e
hex9e9d4cc88

42577742984 has 32 divisors (see below), whose sum is σ = 91435134720. Its totient is φ = 18208181376.

The previous prime is 42577742953. The next prime is 42577743001. The reversal of 42577742984 is 48924777524.

It is a super-2 number, since 2×425777429842 (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 795149 + ... + 847004.

It is an arithmetic number, because the mean of its divisors is an integer number (2857347960).

Almost surely, 242577742984 is an apocalyptic number.

It is an amenable number.

42577742984 is an abundant number, since it is smaller than the sum of its proper divisors (48857391736).

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

42577742984 is a wasteful number, since it uses less digits than its factorization.

42577742984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642629 (or 1642625 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 59.

The spelling of 42577742984 in words is "forty-two billion, five hundred seventy-seven million, seven hundred forty-two thousand, nine hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 56 463 926 1852 3241 3704 6482 12964 25928 1642153 3284306 6568612 11495071 13137224 22990142 45980284 91960568 760316839 1520633678 3041267356 5322217873 6082534712 10644435746 21288871492 42577742984