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28576841612 = 2211897297457
BaseRepresentation
bin11010100111010011…
…111111111110001100
32201202120100222002012
4122213103333332030
5432011132412422
621043352520352
72031106101014
oct324723777614
981676328065
1028576841612
1111134978080
1256563b00b8
132905598747
141551428c44
15b23c0c4e2
hex6a74fff8c

28576841612 has 24 divisors (see below), whose sum is σ = 55168782480. Its totient is φ = 12843522560.

The previous prime is 28576841609. The next prime is 28576841621. The reversal of 28576841612 is 21614867582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3644813 + ... + 3652644.

It is an arithmetic number, because the mean of its divisors is an integer number (2298699270).

Almost surely, 228576841612 is an apocalyptic number.

28576841612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28576841612 is a deficient number, since it is larger than the sum of its proper divisors (26591940868).

28576841612 is a wasteful number, since it uses less digits than its factorization.

28576841612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7297561 (or 7297559 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 50.

The spelling of 28576841612 in words is "twenty-eight billion, five hundred seventy-six million, eight hundred forty-one thousand, six hundred twelve".

Divisors: 1 2 4 11 22 44 89 178 356 979 1958 3916 7297457 14594914 29189828 80272027 160544054 321088108 649473673 1298947346 2597894692 7144210403 14288420806 28576841612