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64067245109 = 7174993107827
BaseRepresentation
bin111011101010101101…
…001001010000110101
320010100221211021010222
4323222231021100311
52022202203320414
645233155224125
74425434412110
oct735255112065
9203327737128
1064067245109
112519732055a
12104bbba8045
1360702944ba
14315ab0d577
1519ee85c68e
hexeeab49435

64067245109 has 16 divisors (see below), whose sum is σ = 77542996608. Its totient is φ = 51673669632.

The previous prime is 64067245097. The next prime is 64067245117. The reversal of 64067245109 is 90154276046.

It is a cyclic number.

It is not a de Polignac number, because 64067245109 - 28 = 64067244853 is a prime.

It is a super-2 number, since 2×640672451092 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64067245109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64067245129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540254 + ... + 648080.

It is an arithmetic number, because the mean of its divisors is an integer number (4846437288).

Almost surely, 264067245109 is an apocalyptic number.

It is an amenable number.

64067245109 is a deficient number, since it is larger than the sum of its proper divisors (13475751499).

64067245109 is a wasteful number, since it uses less digits than its factorization.

64067245109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112844.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 64067245109 in words is "sixty-four billion, sixty-seven million, two hundred forty-five thousand, one hundred nine".

Divisors: 1 7 17 119 4993 34951 84881 107827 594167 754789 1833059 12831413 538380211 3768661477 9152463587 64067245109