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80012421042 = 2337510770573
BaseRepresentation
bin100101010000100011…
…1001010011110110010
321122112012111010110120
41022201013022132302
52302331134433132
6100431315511110
75531532233361
oct1124107123662
9248465433416
1080012421042
1130a29a20204
121360bbb8496
137711893648
143c3068d7d8
15213462402c
hex12a11ca7b2

80012421042 has 32 divisors (see below), whose sum is σ = 164384348352. Its totient is φ = 25944525504.

The previous prime is 80012421031. The next prime is 80012421043. The reversal of 80012421042 is 24012421008.

It is not an unprimeable number, because it can be changed into a prime (80012421043) 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, 1098468 + ... + 1169040.

It is an arithmetic number, because the mean of its divisors is an integer number (5137010886).

Almost surely, 280012421042 is an apocalyptic number.

80012421042 is an abundant number, since it is smaller than the sum of its proper divisors (84371927310).

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

80012421042 is a wasteful number, since it uses less digits than its factorization.

80012421042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75722.

The product of its (nonzero) digits is 1024, while the sum is 24.

The spelling of 80012421042 in words is "eighty billion, twelve million, four hundred twenty-one thousand, forty-two".

Divisors: 1 2 3 6 37 74 111 222 5107 10214 15321 30642 70573 141146 188959 211719 377918 423438 566877 1133754 2611201 5222402 7833603 15667206 360416311 720832622 1081248933 2162497866 13335403507 26670807014 40006210521 80012421042