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3087381109 = 31191521429
BaseRepresentation
bin1011100000000101…
…1011001001110101
321222011110012200111
42320001123021311
522310332143414
61230205143021
7136336210051
oct27001331165
97864405614
103087381109
11134482313a
12721b5aa71
133a282a437
14214070c61
151310a48c4
hexb805b275

3087381109 has 8 divisors (see below), whose sum is σ = 3203665920. Its totient is φ = 2972139600.

The previous prime is 3087381107. The next prime is 3087381113. The reversal of 3087381109 is 9011837803.

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 3087381109 - 21 = 3087381107 is a prime.

It is a super-2 number, since 2×30873811092 = 19063844224420139762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3087381107) 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, 254794 + ... + 266635.

It is an arithmetic number, because the mean of its divisors is an integer number (400458240).

Almost surely, 23087381109 is an apocalyptic number.

It is an amenable number.

3087381109 is a deficient number, since it is larger than the sum of its proper divisors (116284811).

3087381109 is a wasteful number, since it uses less digits than its factorization.

3087381109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521651.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 3087381109 is about 55564.2070851371. The cubic root of 3087381109 is about 1456.1185934489.

The spelling of 3087381109 in words is "three billion, eighty-seven million, three hundred eighty-one thousand, one hundred nine".

Divisors: 1 31 191 5921 521429 16164299 99592939 3087381109