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120525120221020 = 22527721755436863
BaseRepresentation
bin11011011001110111110000…
…111110100010111101011100
3120210202002101212010012020021
4123121313300332202331130
5111244140421234033040
61104200250441401524
734246436556336514
oct3331676076427534
9523662355105207
10120525120221020
1135448464310549
12116266aaa992a4
135233615984648
1421a96385b2844
15de02057a724a
hex6d9df0fa2f5c

120525120221020 has 24 divisors (see below), whose sum is σ = 254016480824064. Its totient is φ = 48036004591296.

The previous prime is 120525120221003. The next prime is 120525120221047. The reversal of 120525120221020 is 20122021525021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10877712892 + ... + 10877723971.

It is an arithmetic number, because the mean of its divisors is an integer number (10584020034336).

Almost surely, 2120525120221020 is an apocalyptic number.

120525120221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120525120221020 is an abundant number, since it is smaller than the sum of its proper divisors (133491360603044).

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

120525120221020 is a wasteful number, since it uses less digits than its factorization.

120525120221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21755437149 (or 21755437147 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 120525120221020 its reverse (20122021525021), we get a palindrome (140647141746041).

The spelling of 120525120221020 in words is "one hundred twenty trillion, five hundred twenty-five billion, one hundred twenty million, two hundred twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 277 554 1108 1385 2770 5540 21755436863 43510873726 87021747452 108777184315 217554368630 435108737260 6026256011051 12052512022102 24105024044204 30131280055255 60262560110510 120525120221020