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3081071513 = 132310304587
BaseRepresentation
bin1011011110100101…
…0110101110011001
321221201120122112202
42313221112232121
522302223242023
61225422015545
7136231450532
oct26751265631
97851518482
103081071513
1113412036a3
1271ba175b5
133a142b550
142132ab689
1513075a128
hexb7a56b99

3081071513 has 8 divisors (see below), whose sum is σ = 3462341568. Its totient is φ = 2720410704.

The previous prime is 3081071473. The next prime is 3081071519. The reversal of 3081071513 is 3151701803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3081071513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3081071519) 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, 5151995 + ... + 5152592.

It is an arithmetic number, because the mean of its divisors is an integer number (432792696).

Almost surely, 23081071513 is an apocalyptic number.

It is an amenable number.

3081071513 is a deficient number, since it is larger than the sum of its proper divisors (381270055).

3081071513 is a wasteful number, since it uses less digits than its factorization.

3081071513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10304623.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 3081071513 is about 55507.4005246147. The cubic root of 3081071513 is about 1455.1259737490.

The spelling of 3081071513 in words is "three billion, eighty-one million, seventy-one thousand, five hundred thirteen".

Divisors: 1 13 23 299 10304587 133959631 237005501 3081071513