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104531252220 = 22335193576393
BaseRepresentation
bin110000101011010001…
…1000101001111111100
3100222210221222210202000
41201112203011033330
53203040000032340
6120004311302300
710360244661243
oct1412643051774
9328727883660
10104531252220
1140371191a4a
121831337a990
139b1b509185
1450b8b8395a
152abbe4cd30
hex18568c53fc

104531252220 has 48 divisors (see below), whose sum is σ = 325208341920. Its totient is φ = 27875000448.

The previous prime is 104531252171. The next prime is 104531252261. The reversal of 104531252220 is 22252135401.

104531252220 is a `hidden beast` number, since 104 + 5 + 3 + 12 + 522 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 96787657 + ... + 96788736.

It is an arithmetic number, because the mean of its divisors is an integer number (6775173790).

Almost surely, 2104531252220 is an apocalyptic number.

104531252220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104531252220 is an abundant number, since it is smaller than the sum of its proper divisors (220677089700).

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

104531252220 is a wasteful number, since it uses less digits than its factorization.

104531252220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193576411 (or 193576403 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 104531252220 its reverse (22252135401), we get a palindrome (126783387621).

The spelling of 104531252220 in words is "one hundred four billion, five hundred thirty-one million, two hundred fifty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 193576393 387152786 580729179 774305572 967881965 1161458358 1742187537 1935763930 2322916716 2903645895 3484375074 3871527860 5226562611 5807291790 6968750148 8710937685 10453125222 11614583580 17421875370 20906250444 26132813055 34843750740 52265626110 104531252220