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78841046444 = 2243458378177
BaseRepresentation
bin100100101101101001…
…0101110010110101100
321112111120100010121012
41021123102232112230
52242431301441234
6100115153124352
75460516560156
oct1113322562654
9245446303535
1078841046444
1130488796126
12133438596b8
137585cb2594
143b5cc91ad6
1520b68900ce
hex125b4ae5ac

78841046444 has 12 divisors (see below), whose sum is σ = 141180478824. Its totient is φ = 38503766784.

The previous prime is 78841046393. The next prime is 78841046461. The reversal of 78841046444 is 44464014887.

It is a junction number, because it is equal to n+sod(n) for n = 78841046392 and 78841046401.

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 3 ways as a sum of consecutive naturals, for example, 229188917 + ... + 229189260.

It is an arithmetic number, because the mean of its divisors is an integer number (11765039902).

Almost surely, 278841046444 is an apocalyptic number.

It is an amenable number.

78841046444 is a deficient number, since it is larger than the sum of its proper divisors (62339432380).

78841046444 is a wasteful number, since it uses less digits than its factorization.

78841046444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458378224 (or 458378222 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 50.

The spelling of 78841046444 in words is "seventy-eight billion, eight hundred forty-one million, forty-six thousand, four hundred forty-four".

Divisors: 1 2 4 43 86 172 458378177 916756354 1833512708 19710261611 39420523222 78841046444