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8385080131 = 127340719379
BaseRepresentation
bin1111100111100101…
…00010101101000011
3210122101000012112101
413303302202231003
5114133040031011
63504013211231
7414535001521
oct76362425503
923571005471
108385080131
11361318289a
121760190b17
13a3825c69c
145978a7311
153412132c1
hex1f3ca2b43

8385080131 has 8 divisors (see below), whose sum is σ = 8454021120. Its totient is φ = 8316184968.

The previous prime is 8385080107. The next prime is 8385080161. The reversal of 8385080131 is 1310805838.

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 8385080131 - 211 = 8385078083 is a prime.

It is a super-2 number, since 2×83850801312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8385080101) 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, 423000 + ... + 442378.

It is an arithmetic number, because the mean of its divisors is an integer number (1056752640).

Almost surely, 28385080131 is an apocalyptic number.

8385080131 is a deficient number, since it is larger than the sum of its proper divisors (68940989).

8385080131 is a wasteful number, since it uses less digits than its factorization.

8385080131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22913.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 8385080131 is about 91570.0831658463. The cubic root of 8385080131 is about 2031.5884685794.

Adding to 8385080131 its reverse (1310805838), we get a palindrome (9695885969).

The spelling of 8385080131 in words is "eight billion, three hundred eighty-five million, eighty thousand, one hundred thirty-one".

Divisors: 1 127 3407 19379 432689 2461133 66024253 8385080131