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80120011202 = 2711717327603
BaseRepresentation
bin100101010011110000…
…1100101100111000010
321122210200221021102022
41022213201211213002
52303041210324302
6100450121521442
75534306600330
oct1124741454702
9248720837368
1080120011202
1130a847262a0
1213640043282
13772ac63b6a
143c40a98b50
15213dcc78a2
hex12a78659c2

80120011202 has 32 divisors (see below), whose sum is σ = 151945196544. Its totient is φ = 30775928400.

The previous prime is 80120011187. The next prime is 80120011207. The reversal of 80120011202 is 20211002108.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80120011207) 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 15 ways as a sum of consecutive naturals, for example, 3652868 + ... + 3674735.

It is an arithmetic number, because the mean of its divisors is an integer number (4748287392).

Almost surely, 280120011202 is an apocalyptic number.

80120011202 is a deficient number, since it is larger than the sum of its proper divisors (71825185342).

80120011202 is a wasteful number, since it uses less digits than its factorization.

80120011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7327694.

The product of its (nonzero) digits is 64, while the sum is 17.

The spelling of 80120011202 in words is "eighty billion, one hundred twenty million, eleven thousand, two hundred two".

Divisors: 1 2 7 11 14 22 71 77 142 154 497 781 994 1562 5467 10934 7327603 14655206 51293221 80603633 102586442 161207266 520259813 564225431 1040519626 1128450862 3641818691 5722857943 7283637382 11445715886 40060005601 80120011202