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83243551146 = 23719104315227
BaseRepresentation
bin100110110000110110…
…0111100100110101010
321221212101102112200220
41031201230330212222
52330440322114041
6102124102110510
76004565336640
oct1154154744652
9257771375626
1083243551146
11323378a6068
121417211b436
137b08111652
14405985d190
152273120d66
hex1361b3c9aa

83243551146 has 32 divisors (see below), whose sum is σ = 200285237760. Its totient is φ = 22532088816.

The previous prime is 83243551073. The next prime is 83243551147. The reversal of 83243551146 is 64115534238.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 83243551098 and 83243551107.

It is not an unprimeable number, because it can be changed into a prime (83243551147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52156816 + ... + 52158411.

It is an arithmetic number, because the mean of its divisors is an integer number (6258913680).

Almost surely, 283243551146 is an apocalyptic number.

83243551146 is an abundant number, since it is smaller than the sum of its proper divisors (117041686614).

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

83243551146 is a wasteful number, since it uses less digits than its factorization.

83243551146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104315258.

The product of its digits is 345600, while the sum is 42.

The spelling of 83243551146 in words is "eighty-three billion, two hundred forty-three million, five hundred fifty-one thousand, one hundred forty-six".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 104315227 208630454 312945681 625891362 730206589 1460413178 1981989313 2190619767 3963978626 4381239534 5945967939 11891935878 13873925191 27747850382 41621775573 83243551146