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481870978028 = 221189123051833
BaseRepresentation
bin1110000001100011011…
…11111001101111101100
31201001210102020222100022
413000301233321233230
530343332432244103
61005211331221312
746546132506026
oct7006157715754
91631712228308
10481870978028
111763a6671a10
1279481747838
1336595284c3b
141947360d016
15c804291138
hex7031bf9bec

481870978028 has 24 divisors (see below), whose sum is σ = 930271865040. Its totient is φ = 216571224320.

The previous prime is 481870978027. The next prime is 481870978081. The reversal of 481870978028 is 820879078184.

It is a super-2 number, since 2×4818709780282 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (481870978027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61522001 + ... + 61529832.

It is an arithmetic number, because the mean of its divisors is an integer number (38761327710).

Almost surely, 2481870978028 is an apocalyptic number.

It is an amenable number.

481870978028 is a deficient number, since it is larger than the sum of its proper divisors (448400887012).

481870978028 is a wasteful number, since it uses less digits than its factorization.

481870978028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123051937 (or 123051935 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 62.

The spelling of 481870978028 in words is "four hundred eighty-one billion, eight hundred seventy million, nine hundred seventy-eight thousand, twenty-eight".

Divisors: 1 2 4 11 22 44 89 178 356 979 1958 3916 123051833 246103666 492207332 1353570163 2707140326 5414280652 10951613137 21903226274 43806452548 120467744507 240935489014 481870978028