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66670411348 = 22591971434019
BaseRepresentation
bin111110000101110111…
…011011111001010100
320101002101010210220101
4332011313123321110
52043020111130343
650343350143444
74550104101052
oct760567337124
9211071123811
1066670411348
1126302788912
1210b07951b84
1363966a5658
1433267371d2
151b03165e4d
hexf85ddbe54

66670411348 has 24 divisors (see below), whose sum is σ = 119253103200. Its totient is φ = 32603833248.

The previous prime is 66670411337. The next prime is 66670411349. The reversal of 66670411348 is 84311407666.

It is a junction number, because it is equal to n+sod(n) for n = 66670411298 and 66670411307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66670411349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670518 + ... + 763501.

It is an arithmetic number, because the mean of its divisors is an integer number (4968879300).

Almost surely, 266670411348 is an apocalyptic number.

It is an amenable number.

66670411348 is a deficient number, since it is larger than the sum of its proper divisors (52582691852).

66670411348 is a wasteful number, since it uses less digits than its factorization.

66670411348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434279 (or 1434277 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 66670411348 in words is "sixty-six billion, six hundred seventy million, four hundred eleven thousand, three hundred forty-eight".

Divisors: 1 2 4 59 118 197 236 394 788 11623 23246 46492 1434019 2868038 5736076 84607121 169214242 282501743 338428484 565003486 1130006972 16667602837 33335205674 66670411348