Search a number
BaseRepresentation
bin1011000101110001010…
…01100110011001111101
31100102120101021102200122
411202320221212121331
522220400042110010
6451015415504325
736346620232631
oct5427051463175
91312511242618
10381055035005
111376716a6837
1261a266880a5
1329c196cc998
141462c072dc1
159da35d0855
hex58b8a6667d

381055035005 has 4 divisors (see below), whose sum is σ = 457266042012. Its totient is φ = 304844028000.

The previous prime is 381055034989. The next prime is 381055035007. The reversal of 381055035005 is 500530550183.

Adding to 381055035005 its reverse (500530550183), we get a palindrome (881585585188).

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 211757349241 + 169297685764 = 460171^2 + 411458^2 .

It is not a de Polignac number, because 381055035005 - 24 = 381055034989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381055035007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38105503496 + ... + 38105503505.

It is an arithmetic number, because the mean of its divisors is an integer number (114316510503).

Almost surely, 2381055035005 is an apocalyptic number.

It is an amenable number.

381055035005 is a deficient number, since it is larger than the sum of its proper divisors (76211007007).

381055035005 is an equidigital number, since it uses as much as digits as its factorization.

381055035005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76211007006.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 381055035005 in words is "three hundred eighty-one billion, fifty-five million, thirty-five thousand, five".

Divisors: 1 5 76211007001 381055035005