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83206488100 = 225217193253601
BaseRepresentation
bin100110101111101111…
…1100100000000100100
321221202210200112202111
41031133133210000210
52330401330104400
6102120255450404
76003635323261
oct1153737440044
9257683615674
1083206488100
113231899104a
1214161826a04
137b00535858
144054972268
15226ec4e3ba
hex135f7e4024

83206488100 has 72 divisors (see below), whose sum is σ = 192170465928. Its totient is φ = 31162368000.

The previous prime is 83206488089. The next prime is 83206488109. The reversal of 83206488100 is 188460238.

It can be written as a sum of positive squares in 12 ways, for example, as 47569354816 + 35637133284 = 218104^2 + 188778^2 .

It is a super-2 number, since 2×832064881002 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83206488109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201300 + ... + 454900.

It is an arithmetic number, because the mean of its divisors is an integer number (2669034249).

Almost surely, 283206488100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83206488100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96085232964).

83206488100 is an abundant number, since it is smaller than the sum of its proper divisors (108963977828).

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

83206488100 is a wasteful number, since it uses less digits than its factorization.

83206488100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253825 (or 253818 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 83206488100 in words is "eighty-three billion, two hundred six million, four hundred eighty-eight thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 193 340 386 425 772 850 965 1700 1930 3281 3860 4825 6562 9650 13124 16405 19300 32810 65620 82025 164050 253601 328100 507202 1014404 1268005 2536010 4311217 5072020 6340025 8622434 12680050 17244868 21556085 25360100 43112170 48944993 86224340 97889986 107780425 195779972 215560850 244724965 431121700 489449930 832064881 978899860 1223624825 1664129762 2447249650 3328259524 4160324405 4894499300 8320648810 16641297620 20801622025 41603244050 83206488100