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80442606546 = 2331489677899
BaseRepresentation
bin100101011101011000…
…0001100001111010010
321200122011221211001000
41022322300030033102
52304221301402141
6100542124122430
75545304605461
oct1127260141722
9250564854030
1080442606546
113112a832a15
1213710096416
13777ca43493
143c718709d8
15215c29b5b6
hex12bac0c3d2

80442606546 has 16 divisors (see below), whose sum is σ = 178761348000. Its totient is φ = 26814202164.

The previous prime is 80442606539. The next prime is 80442606547. The reversal of 80442606546 is 64560624408.

80442606546 is a `hidden beast` number, since 8 + 0 + 4 + 42 + 60 + 6 + 546 = 666.

It is not an unprimeable number, because it can be changed into a prime (80442606547) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 744838896 + ... + 744839003.

It is an arithmetic number, because the mean of its divisors is an integer number (11172584250).

Almost surely, 280442606546 is an apocalyptic number.

80442606546 is an abundant number, since it is smaller than the sum of its proper divisors (98318741454).

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

80442606546 is a wasteful number, since it uses less digits than its factorization.

80442606546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489677910 (or 1489677904 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 80442606546 in words is "eighty billion, four hundred forty-two million, six hundred six thousand, five hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 1489677899 2979355798 4469033697 8938067394 13407101091 26814202182 40221303273 80442606546