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65197339384 = 238149667423
BaseRepresentation
bin111100101110000100…
…000111001011111000
320020021201022000001111
4330232010013023320
52032011004330014
645541245130104
74465436145442
oct745604071370
9206251260044
1065197339384
1125717220071
1210776559934
1361c0451038
143226c43492
151a68b8a2c4
hexf2e1072f8

65197339384 has 8 divisors (see below), whose sum is σ = 122245011360. Its totient is φ = 32598669688.

The previous prime is 65197339381. The next prime is 65197339391. The reversal of 65197339384 is 48393379156.

65197339384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65197339381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4074833704 + ... + 4074833719.

It is an arithmetic number, because the mean of its divisors is an integer number (15280626420).

Almost surely, 265197339384 is an apocalyptic number.

It is an amenable number.

65197339384 is a deficient number, since it is larger than the sum of its proper divisors (57047671976).

65197339384 is a wasteful number, since it uses less digits than its factorization.

65197339384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8149667429 (or 8149667425 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 58.

The spelling of 65197339384 in words is "sixty-five billion, one hundred ninety-seven million, three hundred thirty-nine thousand, three hundred eighty-four".

Divisors: 1 2 4 8 8149667423 16299334846 32598669692 65197339384