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80228808093 = 3719201074707
BaseRepresentation
bin100101010111000000…
…0100111010110011101
321200002021122201200210
41022232000213112131
52303302033324333
6100505005443033
75540100421410
oct1125600472635
9250067581623
1080228808093
1131030085a85
1213670570479
137747667715
143c512d9b77
152148618a63
hex12ae02759d

80228808093 has 16 divisors (see below), whose sum is σ = 128687813120. Its totient is φ = 43432136496.

The previous prime is 80228808091. The next prime is 80228808109. The reversal of 80228808093 is 39080882208.

It is not a de Polignac number, because 80228808093 - 21 = 80228808091 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80228808091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100536955 + ... + 100537752.

It is an arithmetic number, because the mean of its divisors is an integer number (8042988320).

Almost surely, 280228808093 is an apocalyptic number.

It is an amenable number.

80228808093 is a deficient number, since it is larger than the sum of its proper divisors (48459005027).

80228808093 is a wasteful number, since it uses less digits than its factorization.

80228808093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201074736.

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 80228808093 in words is "eighty billion, two hundred twenty-eight million, eight hundred eight thousand, ninety-three".

Divisors: 1 3 7 19 21 57 133 399 201074707 603224121 1407522949 3820419433 4222568847 11461258299 26742936031 80228808093