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11535241512020 = 22510943112277019
BaseRepresentation
bin1010011111011100000111…
…1110010000010001010100
31111211202110210222200200212
42213313001332100101110
53002443133311341040
640311114454424552
72300252016030002
oct247670176202124
944752423880625
1011535241512020
113748083123a56
121363735062158
136589cb825905
142bc446db1a72
151500d1176d65
hexa7dc1f90454

11535241512020 has 48 divisors (see below), whose sum is σ = 24502967596800. Its totient is φ = 4561157727360.

The previous prime is 11535241512007. The next prime is 11535241512029. The reversal of 11535241512020 is 2021514253511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11535241512029) 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, 5198930 + ... + 7078089.

It is an arithmetic number, because the mean of its divisors is an integer number (510478491600).

Almost surely, 211535241512020 is an apocalyptic number.

11535241512020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11535241512020 is an abundant number, since it is smaller than the sum of its proper divisors (12967726084780).

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

11535241512020 is a wasteful number, since it uses less digits than its factorization.

11535241512020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12277568 (or 12277566 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 11535241512020 its reverse (2021514253511), we get a palindrome (13556755765531).

The spelling of 11535241512020 in words is "eleven trillion, five hundred thirty-five billion, two hundred forty-one million, five hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 109 218 431 436 545 862 1090 1724 2155 2180 4310 8620 46979 93958 187916 234895 469790 939580 12277019 24554038 49108076 61385095 122770190 245540380 1338195071 2676390142 5291395189 5352780284 6690975355 10582790378 13381950710 21165580756 26456975945 26763901420 52913951890 105827903780 576762075601 1153524151202 2307048302404 2883810378005 5767620756010 11535241512020