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80545124460 = 22356072211563
BaseRepresentation
bin100101100000011011…
…1010001000001101100
321200220022212021011210
41023000313101001230
52304424022440320
6101000225314420
75550661155513
oct1130067210154
9250808767153
1080545124460
1131182694169
121373a495a10
137798059078
143c8131967a
15216629c0e0
hex12c0dd106c

80545124460 has 48 divisors (see below), whose sum is σ = 225897993216. Its totient is φ = 21443305152.

The previous prime is 80545124411. The next prime is 80545124461. The reversal of 80545124460 is 6442154508.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80545124461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1069362 + ... + 1142201.

It is an arithmetic number, because the mean of its divisors is an integer number (4706208192).

Almost surely, 280545124460 is an apocalyptic number.

It is an amenable number.

80545124460 is an abundant number, since it is smaller than the sum of its proper divisors (145352868756).

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

80545124460 is a wasteful number, since it uses less digits than its factorization.

80545124460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212182 (or 2212180 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

Adding to 80545124460 its reverse (6442154508), we get a palindrome (86987278968).

The spelling of 80545124460 in words is "eighty billion, five hundred forty-five million, one hundred twenty-four thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 607 1214 1821 2428 3035 3642 6070 7284 9105 12140 18210 36420 2211563 4423126 6634689 8846252 11057815 13269378 22115630 26538756 33173445 44231260 66346890 132693780 1342418741 2684837482 4027256223 5369674964 6712093705 8054512446 13424187410 16109024892 20136281115 26848374820 40272562230 80545124460