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64075270849 = 3710716184711
BaseRepresentation
bin111011101011001011…
…110000101011000001
320010101111221000101121
4323223023300223001
52022211232131344
645234043232241
74425562546552
oct735313605301
9203344830347
1064075270849
11251a09023a7
1210502818681
136071b44565
14315bbdc329
151a003e5684
hexeeb2f0ac1

64075270849 has 8 divisors (see below), whose sum is σ = 66422058048. Its totient is φ = 61760853360.

The previous prime is 64075270841. The next prime is 64075270879. The reversal of 64075270849 is 94807257046.

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 64075270849 - 23 = 64075270841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64075270796 and 64075270805.

It is not an unprimeable number, because it can be changed into a prime (64075270841) 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 7 ways as a sum of consecutive naturals, for example, 8088397 + ... + 8096314.

It is an arithmetic number, because the mean of its divisors is an integer number (8302757256).

Almost surely, 264075270849 is an apocalyptic number.

It is an amenable number.

64075270849 is a deficient number, since it is larger than the sum of its proper divisors (2346787199).

64075270849 is a wasteful number, since it uses less digits than its factorization.

64075270849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16184855.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 64075270849 in words is "sixty-four billion, seventy-five million, two hundred seventy thousand, eight hundred forty-nine".

Divisors: 1 37 107 3959 16184711 598834307 1731764077 64075270849