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115513220060 = 22575711444999
BaseRepresentation
bin110101110010100011…
…1111101101111011100
3102001011022111120111122
41223211013331233130
53343032341020220
6125022133110112
711226345112220
oct1534507755734
9361138446448
10115513220060
1144a97223a27
121a479188338
13ab7b78bcb4
14583b4bc780
153011129425
hex1ae51fdbdc

115513220060 has 48 divisors (see below), whose sum is σ = 277717440000. Its totient is φ = 39535145280.

The previous prime is 115513220029. The next prime is 115513220071. The reversal of 115513220060 is 60022315511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642560 + ... + 802439.

It is an arithmetic number, because the mean of its divisors is an integer number (5785780000).

Almost surely, 2115513220060 is an apocalyptic number.

115513220060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115513220060 is an abundant number, since it is smaller than the sum of its proper divisors (162204219940).

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

115513220060 is a wasteful number, since it uses less digits than its factorization.

115513220060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445586 (or 1445584 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 115513220060 its reverse (60022315511), we get a palindrome (175535535571).

The spelling of 115513220060 in words is "one hundred fifteen billion, five hundred thirteen million, two hundred twenty thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 571 1142 2284 2855 3997 5710 7994 11420 15988 19985 39970 79940 1444999 2889998 5779996 7224995 10114993 14449990 20229986 28899980 40459972 50574965 101149930 202299860 825094429 1650188858 3300377716 4125472145 5775661003 8250944290 11551322006 16501888580 23102644012 28878305015 57756610030 115513220060