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30211617065 = 5717259119597
BaseRepresentation
bin11100001000110000…
…001011000100101001
32212222111111011102012
4130020300023010221
5443333133221230
621513511445305
72116446336140
oct341060130451
985874434365
1030211617065
11118a3741073
125a31986835
132b06188cb6
1416685b2757
15bbc4ca395
hex708c0b129

30211617065 has 32 divisors (see below), whose sum is σ = 43889485824. Its totient is φ = 19489397760.

The previous prime is 30211616999. The next prime is 30211617077. The reversal of 30211617065 is 56071611203.

It is not a de Polignac number, because 30211617065 - 224 = 30194839849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1531847 + ... + 1551443.

It is an arithmetic number, because the mean of its divisors is an integer number (1371546432).

Almost surely, 230211617065 is an apocalyptic number.

30211617065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30211617065 is a deficient number, since it is larger than the sum of its proper divisors (13677868759).

30211617065 is a wasteful number, since it uses less digits than its factorization.

30211617065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22217.

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 30211617065 in words is "thirty billion, two hundred eleven million, six hundred seventeen thousand, sixty-five".

Divisors: 1 5 7 17 35 85 119 595 2591 12955 18137 19597 44047 90685 97985 137179 220235 308329 333149 685895 1541645 1665745 2332043 11660215 50775827 253879135 355430789 863189059 1777153945 4315945295 6042323413 30211617065