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38646464683 = 192034024457
BaseRepresentation
bin100011111111100000…
…100100000010101011
310200202100010211002211
4203333200210002223
51113121443332213
625430503505551
72535460346461
oct437740440253
9120670124084
1038646464683
1115431a15a12
1275a67582b7
13384b821ca8
141c28912831
151012c6e53d
hex8ff8240ab

38646464683 has 4 divisors (see below), whose sum is σ = 40680489160. Its totient is φ = 36612440208.

The previous prime is 38646464663. The next prime is 38646464713.

It is a happy number.

38646464683 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38646464683 - 25 = 38646464651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38646464603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017012210 + ... + 1017012247.

It is an arithmetic number, because the mean of its divisors is an integer number (10170122290).

Almost surely, 238646464683 is an apocalyptic number.

38646464683 is a deficient number, since it is larger than the sum of its proper divisors (2034024477).

38646464683 is a wasteful number, since it uses less digits than its factorization.

38646464683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034024476.

The product of its digits is 47775744, while the sum is 58.

The spelling of 38646464683 in words is "thirty-eight billion, six hundred forty-six million, four hundred sixty-four thousand, six hundred eighty-three".

Divisors: 1 19 2034024457 38646464683