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8130383717 = 25132391967
BaseRepresentation
bin1111001001001101…
…11100111101100101
3202222121202021201212
413210212330331211
5113122334234332
63422434201205
7405323056421
oct74446747545
922877667655
108130383717
1134a2431695
1216aaa23205
139c7564451
14571b27b81
15328ba28b2
hex1e49bcf65

8130383717 has 4 divisors (see below), whose sum is σ = 8162775936. Its totient is φ = 8097991500.

The previous prime is 8130383659. The next prime is 8130383731. The reversal of 8130383717 is 7173830318.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8130383717 - 220 = 8129335141 is a prime.

It is a super-2 number, since 2×81303837172 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130383747) 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, 16195733 + ... + 16196234.

It is an arithmetic number, because the mean of its divisors is an integer number (2040693984).

Almost surely, 28130383717 is an apocalyptic number.

It is an amenable number.

8130383717 is a deficient number, since it is larger than the sum of its proper divisors (32392219).

8130383717 is a wasteful number, since it uses less digits than its factorization.

8130383717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32392218.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 8130383717 is about 90168.6404300298. The cubic root of 8130383717 is about 2010.8068109933.

The spelling of 8130383717 in words is "eight billion, one hundred thirty million, three hundred eighty-three thousand, seven hundred seventeen".

Divisors: 1 251 32391967 8130383717