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38461838837 is a prime number
BaseRepresentation
bin100011110100100000…
…010001010111110101
310200021110201212001112
4203310200101113311
51112232212320322
625400310404405
72531056143632
oct436440212765
9120243655045
1038461838837
1115347783874
127554960705
13381c4bb726
141c0c1b3189
1510019505e2
hex8f48115f5

38461838837 has 2 divisors, whose sum is σ = 38461838838. Its totient is φ = 38461838836.

The previous prime is 38461838797. The next prime is 38461838881. The reversal of 38461838837 is 73883816483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36026317636 + 2435521201 = 189806^2 + 49351^2 .

It is a cyclic number.

It is not a de Polignac number, because 38461838837 - 26 = 38461838773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38461838237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19230919418 + 19230919419.

It is an arithmetic number, because the mean of its divisors is an integer number (19230919419).

Almost surely, 238461838837 is an apocalyptic number.

It is an amenable number.

38461838837 is a deficient number, since it is larger than the sum of its proper divisors (1).

38461838837 is an equidigital number, since it uses as much as digits as its factorization.

38461838837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18579456, while the sum is 59.

The spelling of 38461838837 in words is "thirty-eight billion, four hundred sixty-one million, eight hundred thirty-eight thousand, eight hundred thirty-seven".