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38011004837 = 1317171995497
BaseRepresentation
bin100011011001101000…
…011110011110100101
310122010001102010001222
4203121220132132211
51110321304123322
625243443430125
72513643132041
oct433150363645
9118101363058
1038011004837
1115136248593
127449985345
133779c8c250
141ba8379021
15ec7099e42
hex8d9a1e7a5

38011004837 has 8 divisors (see below), whose sum is σ = 43342865496. Its totient is φ = 33023135232.

The previous prime is 38011004797. The next prime is 38011004849. The reversal of 38011004837 is 73840011083.

It can be written as a sum of positive squares in 4 ways, for example, as 1619338081 + 36391666756 = 40241^2 + 190766^2 .

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 38011004837 - 214 = 38010988453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38011004797 and 38011004806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38011004897) 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 7 ways as a sum of consecutive naturals, for example, 85997528 + ... + 85997969.

It is an arithmetic number, because the mean of its divisors is an integer number (5417858187).

Almost surely, 238011004837 is an apocalyptic number.

It is an amenable number.

38011004837 is a deficient number, since it is larger than the sum of its proper divisors (5331860659).

38011004837 is a wasteful number, since it uses less digits than its factorization.

38011004837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171995527.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 38011004837 in words is "thirty-eight billion, eleven million, four thousand, eight hundred thirty-seven".

Divisors: 1 13 17 221 171995497 2235941461 2923923449 38011004837