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478012799072 = 25293116616129
BaseRepresentation
bin1101111010010111100…
…10000111100001100000
31200200211112102011210102
412331023302013201200
530312432234032242
61003332425121532
746351413515624
oct6751362074140
91620745364712
10478012799072
111747a6843a66
12787856292a8
13360cbb5a703
14191c9055184
15c67a6d1e32
hex6f4bc87860

478012799072 has 48 divisors (see below), whose sum is σ = 1004943542400. Its totient is φ = 223320760320.

The previous prime is 478012799053. The next prime is 478012799081. The reversal of 478012799072 is 270997210874.

It is a super-2 number, since 2×4780127990722 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 478012798999 and 478012799017.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8279297 + ... + 8336832.

It is an arithmetic number, because the mean of its divisors is an integer number (20936323800).

Almost surely, 2478012799072 is an apocalyptic number.

It is an amenable number.

478012799072 is an abundant number, since it is smaller than the sum of its proper divisors (526930743328).

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

478012799072 is a wasteful number, since it uses less digits than its factorization.

478012799072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16616199 (or 16616191 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 56.

The spelling of 478012799072 in words is "four hundred seventy-eight billion, twelve million, seven hundred ninety-nine thousand, seventy-two".

Divisors: 1 2 4 8 16 29 31 32 58 62 116 124 232 248 464 496 899 928 992 1798 3596 7192 14384 28768 16616129 33232258 66464516 132929032 265858064 481867741 515099999 531716128 963735482 1030199998 1927470964 2060399996 3854941928 4120799992 7709883856 8241599984 14937899971 15419767712 16483199968 29875799942 59751599884 119503199768 239006399536 478012799072