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80365206272 = 281324148199
BaseRepresentation
bin100101011011000100…
…0111011101100000000
321200102210022110211012
41022312020323230000
52304041443100042
6100530321140052
75543344660631
oct1126610735400
9250383273735
1080365206272
11310a0077a4a
12136aa18a628
1377699b34c0
143c65483888
1521555ace82
hex12b623bb00

80365206272 has 36 divisors (see below), whose sum is σ = 172756222800. Its totient is φ = 37091632128.

The previous prime is 80365206193. The next prime is 80365206277. The reversal of 80365206272 is 27260256308.

It is a super-2 number, since 2×803652062722 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80365206277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12070772 + ... + 12077427.

Almost surely, 280365206272 is an apocalyptic number.

It is an amenable number.

80365206272 is an abundant number, since it is smaller than the sum of its proper divisors (92391016528).

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

80365206272 is a wasteful number, since it uses less digits than its factorization.

80365206272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24148228 (or 24148214 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 80365206272 in words is "eighty billion, three hundred sixty-five million, two hundred six thousand, two hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 832 1664 3328 24148199 48296398 96592796 193185592 313926587 386371184 627853174 772742368 1255706348 1545484736 2511412696 3090969472 5022825392 6181938944 10045650784 20091301568 40182603136 80365206272