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83312148423 = 373194261273
BaseRepresentation
bin100110110010111001…
…0100111111111000111
321222001011111122110210
41031211302213333013
52331110402222143
6102134552250503
76006360402000
oct1154562477707
9258034448423
1083312148423
1132372599229
12141910a0a33
137b193ab85a
1440649d81a7
152279171033
hex1365ca7fc7

83312148423 has 32 divisors (see below), whose sum is σ = 136360768000. Its totient is φ = 45101302848.

The previous prime is 83312148407. The next prime is 83312148427. The reversal of 83312148423 is 32484121338.

It is not a de Polignac number, because 83312148423 - 24 = 83312148407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83312148427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2111086 + ... + 2150187.

It is an arithmetic number, because the mean of its divisors is an integer number (4261274000).

Almost surely, 283312148423 is an apocalyptic number.

83312148423 is a deficient number, since it is larger than the sum of its proper divisors (53048619577).

83312148423 is a wasteful number, since it uses less digits than its factorization.

83312148423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4261316 (or 4261302 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The spelling of 83312148423 in words is "eighty-three billion, three hundred twelve million, one hundred forty-eight thousand, four hundred twenty-three".

Divisors: 1 3 7 19 21 49 57 133 147 343 399 931 1029 2793 6517 19551 4261273 12783819 29828911 80964187 89486733 208802377 242892561 566749309 626407131 1461616639 1700247927 3967245163 4384849917 11901735489 27770716141 83312148423