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60668472447 = 341168090317
BaseRepresentation
bin111000100000000111…
…110110110001111111
312210121002102201120000
4320200013312301333
51443222112104242
643512023525343
74245264335652
oct704007666177
9183532381500
1060668472447
1123802853330
12b9118b9853
13594b0ab20b
142d17581899
1518a1298a4c
hexe201f6c7f

60668472447 has 20 divisors (see below), whose sum is σ = 98867141736. Its totient is φ = 36768770640.

The previous prime is 60668472437. The next prime is 60668472521. The reversal of 60668472447 is 74427486606.

60668472447 is a `hidden beast` number, since 60 + 66 + 84 + 7 + 2 + 447 = 666.

It is not a de Polignac number, because 60668472447 - 28 = 60668472191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 60668472393 and 60668472402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60668472437) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34044268 + ... + 34046049.

Almost surely, 260668472447 is an apocalyptic number.

60668472447 is a deficient number, since it is larger than the sum of its proper divisors (38198669289).

60668472447 is a wasteful number, since it uses less digits than its factorization.

60668472447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68090340 (or 68090331 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 54.

The spelling of 60668472447 in words is "sixty billion, six hundred sixty-eight million, four hundred seventy-two thousand, four hundred forty-seven".

Divisors: 1 3 9 11 27 33 81 99 297 891 68090317 204270951 612812853 748993487 1838438559 2246980461 5515315677 6740941383 20222824149 60668472447