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30287228566 = 277341577129
BaseRepresentation
bin11100001101010000…
…100110111010010110
32220011202202121220011
4130031100212322112
5444012012303231
621525212230434
72121355123630
oct341520467226
986152677804
1030287228566
1111932395111
125a5316b41a
132b18a40a2a
141674655a50
15bc3e639b1
hex70d426e96

30287228566 has 32 divisors (see below), whose sum is σ = 52652255040. Its totient is φ = 12797554176.

The previous prime is 30287228549. The next prime is 30287228581. The reversal of 30287228566 is 66582278203.

30287228566 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 4244890 + ... + 4252018.

It is an arithmetic number, because the mean of its divisors is an integer number (1645382970).

Almost surely, 230287228566 is an apocalyptic number.

30287228566 is a deficient number, since it is larger than the sum of its proper divisors (22365026474).

30287228566 is a wasteful number, since it uses less digits than its factorization.

30287228566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11368.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 30287228566 in words is "thirty billion, two hundred eighty-seven million, two hundred twenty-eight thousand, five hundred sixty-six".

Divisors: 1 2 7 14 73 146 511 1022 4157 7129 8314 14258 29099 49903 58198 99806 303461 520417 606922 1040834 2124227 3642919 4248454 7285838 29635253 59270506 207446771 414893542 2163373469 4326746938 15143614283 30287228566