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80430566931 = 321113211296183
BaseRepresentation
bin100101011101000001…
…0010000111000010011
321200121100022010210100
41022322002100320103
52304210211120211
6100541014103443
75545100352531
oct1127202207023
9250540263710
1080430566931
1131123a5a420
121370804ab83
13777a3b9450
143c70019151
15215b1be156
hex12ba090e13

80430566931 has 48 divisors (see below), whose sum is σ = 137135561472. Its totient is φ = 44782718400.

The previous prime is 80430566929. The next prime is 80430566963. The reversal of 80430566931 is 13966503408.

80430566931 is a `hidden beast` number, since 80 + 4 + 3 + 0 + 566 + 9 + 3 + 1 = 666.

It is not a de Polignac number, because 80430566931 - 21 = 80430566929 is a prime.

It is a super-2 number, since 2×804305669312 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80430566971) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123466 + ... + 419648.

It is an arithmetic number, because the mean of its divisors is an integer number (2856990864).

Almost surely, 280430566931 is an apocalyptic number.

80430566931 is a deficient number, since it is larger than the sum of its proper divisors (56704994541).

80430566931 is a wasteful number, since it uses less digits than its factorization.

80430566931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296424 (or 296421 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 80430566931 in words is "eighty billion, four hundred thirty million, five hundred sixty-six thousand, nine hundred thirty-one".

Divisors: 1 3 9 11 13 33 39 99 117 143 211 429 633 1287 1899 2321 2743 6963 8229 20889 24687 30173 90519 271557 296183 888549 2665647 3258013 3850379 9774039 11551137 29322117 34653411 42354169 62494613 127062507 187483839 381187521 562451517 687440743 812429969 2062322229 2437289907 6186966687 7311869721 8936729659 26810188977 80430566931