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38032687669 is a prime number
BaseRepresentation
bin100011011010111011…
…001100001000110101
310122011120012201022211
4203122323030020311
51110342332001134
625245540253421
72514325340224
oct433273141065
9118146181284
1038032687669
1115147508189
1274550a1271
133781611622
141bab1c0cbb
15ec8e2e764
hex8daecc235

38032687669 has 2 divisors, whose sum is σ = 38032687670. Its totient is φ = 38032687668.

The previous prime is 38032687661. The next prime is 38032687711. The reversal of 38032687669 is 96678623083.

38032687669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37893683569 + 139004100 = 194663^2 + 11790^2 .

It is a cyclic number.

It is not a de Polignac number, because 38032687669 - 23 = 38032687661 is a prime.

It is a super-2 number, since 2×380326876692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38032687661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19016343834 + 19016343835.

It is an arithmetic number, because the mean of its divisors is an integer number (19016343835).

Almost surely, 238032687669 is an apocalyptic number.

It is an amenable number.

38032687669 is a deficient number, since it is larger than the sum of its proper divisors (1).

38032687669 is an equidigital number, since it uses as much as digits as its factorization.

38032687669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 38032687669 in words is "thirty-eight billion, thirty-two million, six hundred eighty-seven thousand, six hundred sixty-nine".