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80207466860 = 225353101911149
BaseRepresentation
bin100101010110010111…
…1001101000101101100
321200000210111111000202
41022230233031011230
52303231102414420
6100502524213032
75536421135153
oct1125457150554
9250023444022
1080207466860
113101a029aa4
121366539a178
137743104981
143c4c54259a
152146800575
hex12acbcd16c

80207466860 has 48 divisors (see below), whose sum is σ = 169093764000. Its totient is φ = 31957837824.

The previous prime is 80207466821. The next prime is 80207466883. The reversal of 80207466860 is 6866470208.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7188566 + ... + 7199714.

It is an arithmetic number, because the mean of its divisors is an integer number (3522786750).

Almost surely, 280207466860 is an apocalyptic number.

It is an amenable number.

80207466860 is an abundant number, since it is smaller than the sum of its proper divisors (88886297140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80207466860 is a wasteful number, since it uses less digits than its factorization.

80207466860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12530 (or 12528 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 80207466860 in words is "eighty billion, two hundred seven million, four hundred sixty-six thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 353 706 1019 1412 1765 2038 3530 4076 5095 7060 10190 11149 20380 22298 44596 55745 111490 222980 359707 719414 1438828 1798535 3597070 3935597 7194140 7871194 11360831 15742388 19677985 22721662 39355970 45443324 56804155 78711940 113608310 227216620 4010373343 8020746686 16041493372 20051866715 40103733430 80207466860