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64572030838873 is a prime number
BaseRepresentation
bin11101010111010010110001…
…11101011110100001011001
322110122000200212000200020001
432223221120331132201121
531430422004343320443
6345155551554333001
716413114056024005
oct1653513075364131
9273560625020201
1064572030838873
1119635932023578
1272aa5aa58a161
132a051688c342c
1411d34354b7705
1576ea00206d4d
hex3aba58f5e859

64572030838873 has 2 divisors, whose sum is σ = 64572030838874. Its totient is φ = 64572030838872.

The previous prime is 64572030838849. The next prime is 64572030838897. The reversal of 64572030838873 is 37883803027546.

It is a balanced prime because it is at equal distance from previous prime (64572030838849) and next prime (64572030838897).

It can be written as a sum of positive squares in only one way, i.e., 47037485958544 + 17534544880329 = 6858388^2 + 4187427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-64572030838873 is a prime.

It is a super-3 number, since 3×645720308388733 (a number of 42 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (64572030838673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32286015419436 + 32286015419437.

It is an arithmetic number, because the mean of its divisors is an integer number (32286015419437).

Almost surely, 264572030838873 is an apocalyptic number.

It is an amenable number.

64572030838873 is a deficient number, since it is larger than the sum of its proper divisors (1).

64572030838873 is an equidigital number, since it uses as much as digits as its factorization.

64572030838873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162570240, while the sum is 64.

The spelling of 64572030838873 in words is "sixty-four trillion, five hundred seventy-two billion, thirty million, eight hundred thirty-eight thousand, eight hundred seventy-three".