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38986668983 = 45838506801
BaseRepresentation
bin100100010011110010…
…010101101110110111
310201122001021222200002
4210103302111232313
51114321041401413
625524335341515
72550061134653
oct442362255667
9121561258602
1038986668983
1115596a5a499
12768068189b
1338a4158602
141c5bb8da63
151032a70958
hex913c95bb7

38986668983 has 4 divisors (see below), whose sum is σ = 38995180368. Its totient is φ = 38978157600.

The previous prime is 38986668977. The next prime is 38986668991.

38986668983 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 38986668983 - 24 = 38986668967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38986668983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38986668943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4248818 + ... + 4257983.

It is an arithmetic number, because the mean of its divisors is an integer number (9748795092).

Almost surely, 238986668983 is an apocalyptic number.

38986668983 is a deficient number, since it is larger than the sum of its proper divisors (8511385).

38986668983 is an equidigital number, since it uses as much as digits as its factorization.

38986668983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8511384.

The product of its digits is 644972544, while the sum is 74.

The spelling of 38986668983 in words is "thirty-eight billion, nine hundred eighty-six million, six hundred sixty-eight thousand, nine hundred eighty-three".

Divisors: 1 4583 8506801 38986668983