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8485203100 = 22521110970769
BaseRepresentation
bin1111110011100000…
…11110110010011100
3210220100101222102111
413321300132302130
5114334202444400
63521551203404
7420162015313
oct77160366234
923810358374
108485203100
113664748750
121789816564
13a52c1714a
145a6ccb27a
15349dde3ba
hex1f9c1ec9c

8485203100 has 72 divisors (see below), whose sum is σ = 20271358800. Its totient is φ = 3057177600.

The previous prime is 8485203091. The next prime is 8485203101. The reversal of 8485203100 is 13025848.

It is a super-2 number, since 2×84852031002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8485203101) 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 23 ways as a sum of consecutive naturals, for example, 84516 + ... + 155284.

It is an arithmetic number, because the mean of its divisors is an integer number (281546650).

Almost surely, 28485203100 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 8485203100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10135679400).

8485203100 is an abundant number, since it is smaller than the sum of its proper divisors (11786155700).

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

8485203100 is a wasteful number, since it uses less digits than its factorization.

8485203100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70903 (or 70896 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 8485203100 is about 92115.1621612859. The cubic root of 8485203100 is about 2039.6426309147.

Adding to 8485203100 its reverse (13025848), we get a palindrome (8498228948).

The spelling of 8485203100 in words is "eight billion, four hundred eighty-five million, two hundred three thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 109 110 218 220 275 436 545 550 1090 1100 1199 2180 2398 2725 4796 5450 5995 10900 11990 23980 29975 59950 70769 119900 141538 283076 353845 707690 778459 1415380 1556918 1769225 3113836 3538450 3892295 7076900 7713821 7784590 15427642 15569180 19461475 30855284 38569105 38922950 77138210 77845900 84852031 154276420 169704062 192845525 339408124 385691050 424260155 771382100 848520310 1697040620 2121300775 4242601550 8485203100