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480806208880 = 2459761959563
BaseRepresentation
bin1101111111100100100…
…10001000010101110000
31200222001012201002122221
412333302102020111300
530334142342141010
61004513533410424
746510553225554
oct6776222102560
91628035632587
10480806208880
111759aa630108
1279225039a14
13364557bb11a
14193b2041864
15c790a68dda
hex6ff2488570

480806208880 has 40 divisors (see below), whose sum is σ = 1129398932592. Its totient is φ = 190339774464.

The previous prime is 480806208877. The next prime is 480806208881. The reversal of 480806208880 is 88802608084.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×4808062088803 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480806208881) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30972022 + ... + 30987541.

Almost surely, 2480806208880 is an apocalyptic number.

480806208880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

480806208880 is an abundant number, since it is smaller than the sum of its proper divisors (648592723712).

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

480806208880 is a wasteful number, since it uses less digits than its factorization.

480806208880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61959673 (or 61959667 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 52.

The spelling of 480806208880 in words is "four hundred eighty billion, eight hundred six million, two hundred eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 97 194 388 485 776 970 1552 1940 3880 7760 61959563 123919126 247838252 309797815 495676504 619595630 991353008 1239191260 2478382520 4956765040 6010077611 12020155222 24040310444 30050388055 48080620888 60100776110 96161241776 120201552220 240403104440 480806208880