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38060870869 = 7171312441521
BaseRepresentation
bin100011011100100110…
…101100110011010101
310122020112020120102001
4203130212230303111
51110422040331434
625252424315301
72515120031050
oct433446546325
9118215216361
1038060870869
111516140768a
127462612b31
1337873cb688
141bb0c39a97
15ecb64a114
hex8dc9accd5

38060870869 has 16 divisors (see below), whose sum is σ = 46408450176. Its totient is φ = 30470169600.

The previous prime is 38060870863. The next prime is 38060870917. The reversal of 38060870869 is 96807806083.

It is a cyclic number.

It is not a de Polignac number, because 38060870869 - 217 = 38060739797 is a prime.

It is a super-2 number, since 2×380608708692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38060870863) 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 15 ways as a sum of consecutive naturals, for example, 1205172 + ... + 1236349.

It is an arithmetic number, because the mean of its divisors is an integer number (2900528136).

Almost surely, 238060870869 is an apocalyptic number.

It is an amenable number.

38060870869 is a deficient number, since it is larger than the sum of its proper divisors (8347579307).

38060870869 is a wasteful number, since it uses less digits than its factorization.

38060870869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441676.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 38060870869 in words is "thirty-eight billion, sixty million, eight hundred seventy thousand, eight hundred sixty-nine".

Divisors: 1 7 17 119 131 917 2227 15589 2441521 17090647 41505857 290540999 319839251 2238874757 5437267267 38060870869