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80803327795 = 52313942112007
BaseRepresentation
bin100101101000001000…
…0001110111100110011
321201120022201100120021
41023100100032330303
52310441122442140
6101042011424311
75560244645101
oct1132020167463
9251508640507
1080803327795
11312a5410153
12137b0a55097
1378096b15c8
143ca772cc71
15217dca1b4a
hex12d040ef33

80803327795 has 32 divisors (see below), whose sum is σ = 102158300160. Its totient is φ = 61236362880.

The previous prime is 80803327789. The next prime is 80803327819. The reversal of 80803327795 is 59772330808.

It is a de Polignac number, because none of the positive numbers 2k-80803327795 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 6723682 + ... + 6735688.

It is an arithmetic number, because the mean of its divisors is an integer number (3192446880).

Almost surely, 280803327795 is an apocalyptic number.

80803327795 is a deficient number, since it is larger than the sum of its proper divisors (21354972365).

80803327795 is a wasteful number, since it uses less digits than its factorization.

80803327795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12595.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 80803327795 in words is "eighty billion, eight hundred three million, three hundred twenty-seven thousand, seven hundred ninety-five".

Divisors: 1 5 23 115 139 421 695 2105 3197 9683 12007 15985 48415 58519 60035 276161 292595 1345937 1380805 1668973 5054947 6729685 8344865 25274735 38386379 116263781 191931895 581318905 702637633 3513188165 16160665559 80803327795