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64576325806169 = 152377595464717
BaseRepresentation
bin11101010111011010110001…
…11101011110100001011001
322110122102210011202121201212
432223231120331132201121
531431004303401244134
6345201542102352505
716413325360446362
oct1653553075364131
9273572704677655
1064576325806169
1119637736464021
1272ab3a8a2b735
132a056a166ccb8
1411d3721a90b69
1576eba22e4bce
hex3abb58f5e859

64576325806169 has 8 divisors (see below), whose sum is σ = 64627066600320. Its totient is φ = 64525595960016.

The previous prime is 64576325806151. The next prime is 64576325806199. The reversal of 64576325806169 is 96160852367546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64576325806169 - 232 = 64572030838873 is a prime.

It is a super-2 number, since 2×645763258061692 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64576325806099 and 64576325806108.

It is not an unprimeable number, because it can be changed into a prime (64576325806199) 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, 9084599 + ... + 14549315.

It is an arithmetic number, because the mean of its divisors is an integer number (8078383325040).

It is a 1-persistent number, because it is pandigital, but 2⋅64576325806169 = 129152651612338 is not.

Almost surely, 264576325806169 is an apocalyptic number.

It is an amenable number.

64576325806169 is a deficient number, since it is larger than the sum of its proper divisors (50740794151).

64576325806169 is a wasteful number, since it uses less digits than its factorization.

64576325806169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473999.

The product of its (nonzero) digits is 391910400, while the sum is 68.

The spelling of 64576325806169 in words is "sixty-four trillion, five hundred seventy-six billion, three hundred twenty-five million, eight hundred six thousand, one hundred sixty-nine".

Divisors: 1 1523 7759 5464717 11816957 8322763991 42400739203 64576325806169