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38382384061 = 723238399901
BaseRepresentation
bin100011101111110001…
…001011001110111101
310200001221020010121001
4203233301023032331
51112101342242221
625344351410301
72526102611230
oct435761131675
9120057203531
1038382384061
111530694526a
127532223991
133808bbc578
141c0180d417
15ee99a8391
hex8efc4b3bd

38382384061 has 8 divisors (see below), whose sum is σ = 45772781184. Its totient is φ = 31468786800.

The previous prime is 38382384037. The next prime is 38382384143. The reversal of 38382384061 is 16048328383.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38382384061 - 231 = 36234900413 is a prime.

It is a super-2 number, since 2×383823840612 (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 (38382384031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119199790 + ... + 119200111.

It is an arithmetic number, because the mean of its divisors is an integer number (5721597648).

Almost surely, 238382384061 is an apocalyptic number.

It is an amenable number.

38382384061 is a deficient number, since it is larger than the sum of its proper divisors (7390397123).

38382384061 is a wasteful number, since it uses less digits than its factorization.

38382384061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238399931.

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 38382384061 in words is "thirty-eight billion, three hundred eighty-two million, three hundred eighty-four thousand, sixty-one".

Divisors: 1 7 23 161 238399901 1668799307 5483197723 38382384061