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80537943798 = 23213344179247
BaseRepresentation
bin100101100000001101…
…1110111111011110110
321200212211100110011100
41023000123313323312
52304420203200143
6100555411350530
75550543140604
oct1130033677366
9250784313140
1080537943798
113117962a234
1213737bb2446
137796713860
143c803aa874
15216582e6d3
hex12c06f7ef6

80537943798 has 24 divisors (see below), whose sum is σ = 187921869408. Its totient is φ = 24780905712.

The previous prime is 80537943779. The next prime is 80537943817. The reversal of 80537943798 is 89734973508.

80537943798 is a `hidden beast` number, since 8 + 0 + 537 + 9 + 4 + 3 + 7 + 98 = 666.

It is an interprime number because it is at equal distance from previous prime (80537943779) and next prime (80537943817).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172089390 + ... + 172089857.

It is an arithmetic number, because the mean of its divisors is an integer number (7830077892).

Almost surely, 280537943798 is an apocalyptic number.

80537943798 is an abundant number, since it is smaller than the sum of its proper divisors (107383925610).

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

80537943798 is a wasteful number, since it uses less digits than its factorization.

80537943798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344179268 (or 344179265 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 80537943798 in words is "eighty billion, five hundred thirty-seven million, nine hundred forty-three thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 344179247 688358494 1032537741 2065075482 3097613223 4474330211 6195226446 8948660422 13422990633 26845981266 40268971899 80537943798