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67220368348 = 2272834132061
BaseRepresentation
bin111110100110101001…
…010110101111011100
320102111200222112002011
4332212221112233130
52100131403241343
650514113441004
74566532463200
oct764651265734
9212450875064
1067220368348
1126565166731
121103bb70164
1364535cc3b3
1433797b4b00
151b3659b29d
hexfa6a56bdc

67220368348 has 36 divisors (see below), whose sum is σ = 138490189992. Its totient is φ = 28461629280.

The previous prime is 67220368333. The next prime is 67220368357. The reversal of 67220368348 is 84386302276.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2049763 + ... + 2082298.

It is an arithmetic number, because the mean of its divisors is an integer number (3846949722).

Almost surely, 267220368348 is an apocalyptic number.

It is an amenable number.

67220368348 is an abundant number, since it is smaller than the sum of its proper divisors (71269821644).

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

67220368348 is a wasteful number, since it uses less digits than its factorization.

67220368348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4132162 (or 4132153 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 67220368348 in words is "sixty-seven billion, two hundred twenty million, three hundred sixty-eight thousand, three hundred forty-eight".

Divisors: 1 2 4 7 14 28 49 83 98 166 196 332 581 1162 2324 4067 8134 16268 4132061 8264122 16528244 28924427 57848854 115697708 202470989 342961063 404941978 685922126 809883956 1371844252 2400727441 4801454882 9602909764 16805092087 33610184174 67220368348