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480815890557880 = 23512020397263947
BaseRepresentation
bin110110101010011001010110…
…0010110111110101110111000
32100001102112212010010212012011
41231110302230112332232320
51001010141420440323010
64422335434253455304
7203163541665266053
oct15524625426765670
92301375763125164
10480815890557880
1112a225968414899
1245b15410aa1534
13178399895443b7
1486a3882b67a9a
153a8c1d0e32a8a
hex1b54cac5bebb8

480815890557880 has 16 divisors (see below), whose sum is σ = 1081835753755320. Its totient is φ = 192326356223136.

The previous prime is 480815890557853. The next prime is 480815890557941. The reversal of 480815890557880 is 88755098518084.

It is a super-3 number, since 3×4808158905578803 (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 480815890557797 and 480815890557806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6010198631934 + ... + 6010198632013.

Almost surely, 2480815890557880 is an apocalyptic number.

480815890557880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

480815890557880 is an abundant number, since it is smaller than the sum of its proper divisors (601019863197440).

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

480815890557880 is a wasteful number, since it uses less digits than its factorization.

480815890557880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12020397263958 (or 12020397263954 counting only the distinct ones).

The product of its (nonzero) digits is 1032192000, while the sum is 76.

The spelling of 480815890557880 in words is "four hundred eighty trillion, eight hundred fifteen billion, eight hundred ninety million, five hundred fifty-seven thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 12020397263947 24040794527894 48081589055788 60101986319735 96163178111576 120203972639470 240407945278940 480815890557880