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1024066664 = 23128008333
BaseRepresentation
bin111101000010100…
…000010001101000
32122100221222100222
4331002200101220
54044130113124
6245341145212
734243265045
oct7502402150
92570858328
101024066664
11486071495
12246b5b208
1313421560a
149a0141cc
155ed8725e
hex3d0a0468

1024066664 has 8 divisors (see below), whose sum is σ = 1920125010. Its totient is φ = 512033328.

The previous prime is 1024066639. The next prime is 1024066669. The reversal of 1024066664 is 4666604201.

It can be written as a sum of positive squares in only one way, i.e., 587674564 + 436392100 = 24242^2 + 20890^2 .

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

It is a super-3 number, since 3×10240666643 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1024066669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64004159 + ... + 64004174.

Almost surely, 21024066664 is an apocalyptic number.

It is an amenable number.

1024066664 is a deficient number, since it is larger than the sum of its proper divisors (896058346).

1024066664 is a wasteful number, since it uses less digits than its factorization.

1024066664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128008339 (or 128008335 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 1024066664 is about 32001.0416080477. The cubic root of 1024066664 is about 1007.9587121957.

The spelling of 1024066664 in words is "one billion, twenty-four million, sixty-six thousand, six hundred sixty-four".

Divisors: 1 2 4 8 128008333 256016666 512033332 1024066664