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83718228050 = 252172292832
BaseRepresentation
bin100110111110111111…
…1101100100001010010
322000002110121121222222
41031331333230201102
52332423331244200
6102243140101042
76022421124422
oct1157577544122
9260073547888
1083718228050
1132560836926
1214285094782
137b8256b462
1440a2902482
15229eb35d85
hex137dfec852

83718228050 has 162 divisors, whose sum is σ = 173404013133. Its totient is φ = 30064007680.

The previous prime is 83718228029. The next prime is 83718228053. The reversal of 83718228050 is 5082281738.

It can be written as a sum of positive squares in 14 ways, for example, as 2622566521 + 81095661529 = 51211^2 + 284773^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=204595.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83718227992 and 83718228010.

It is not an unprimeable number, because it can be changed into a prime (83718228053) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1008653309 + ... + 1008653391.

Almost surely, 283718228050 is an apocalyptic number.

83718228050 is an abundant number, since it is smaller than the sum of its proper divisors (89685785083).

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

83718228050 is a wasteful number, since it uses less digits than its factorization.

83718228050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 83718228050 in words is "eighty-three billion, seven hundred eighteen million, two hundred twenty-eight thousand, fifty".