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38073887091 = 324230431899
BaseRepresentation
bin100011011101011000…
…010110100101110011
310122021102201212022100
4203131120112211303
51110433403341331
625254011311443
72515335462162
oct433530264563
9118242655270
1038073887091
1115168797999
127466a4b583
13378a008096
141bb28673d9
15ecc86bae6
hex8dd616973

38073887091 has 6 divisors (see below), whose sum is σ = 54995614700. Its totient is φ = 25382591388.

The previous prime is 38073887077. The next prime is 38073887107. The reversal of 38073887091 is 19078837083.

It is not a de Polignac number, because 38073887091 - 211 = 38073885043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38073887011) 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 5 ways as a sum of consecutive naturals, for example, 2115215941 + ... + 2115215958.

Almost surely, 238073887091 is an apocalyptic number.

38073887091 is a deficient number, since it is larger than the sum of its proper divisors (16921727609).

38073887091 is a wasteful number, since it uses less digits than its factorization.

38073887091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230431905 (or 4230431902 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 38073887091 in words is "thirty-eight billion, seventy-three million, eight hundred eighty-seven thousand, ninety-one".

Divisors: 1 3 9 4230431899 12691295697 38073887091