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487980128400 = 24352406650107
BaseRepresentation
bin1110001100111011110…
…00011101100010010000
31201122120011200222011220
413012131320131202100
530443340403102100
61012101443405040
750153413440042
oct7063570354220
91648504628156
10487980128400
11178a51074016
127a6a7683780
1337029b4940b
1419892b11a92
15ca60789aa0
hex719de1d890

487980128400 has 60 divisors (see below), whose sum is σ = 1563163015152. Its totient is φ = 130128033920.

The previous prime is 487980128371. The next prime is 487980128437. The reversal of 487980128400 is 4821089784.

It is a tau number, because it is divible by the number of its divisors (60).

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 11 ways as a sum of consecutive naturals, for example, 203323854 + ... + 203326253.

Almost surely, 2487980128400 is an apocalyptic number.

487980128400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

487980128400 is an abundant number, since it is smaller than the sum of its proper divisors (1075182886752).

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

487980128400 is a wasteful number, since it uses less digits than its factorization.

487980128400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406650128 (or 406650117 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 487980128400 in words is "four hundred eighty-seven billion, nine hundred eighty million, one hundred twenty-eight thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 406650107 813300214 1219950321 1626600428 2033250535 2439900642 3253200856 4066501070 4879801284 6099751605 6506401712 8133002140 9759602568 10166252675 12199503210 16266004280 19519205136 20332505350 24399006420 30498758025 32532008560 40665010700 48798012840 60997516050 81330021400 97596025680 121995032100 162660042800 243990064200 487980128400