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8130260159 = 74127281431
BaseRepresentation
bin1111001001001100…
…11110110010111111
3202222121112000020122
413210212132302333
5113122321311114
63422431405155
7405322033250
oct74446366277
922877460218
108130260159
1134a235787a
1216aa9837bb
139c7520138
14571ad4b27
15328b7ae8e
hex1e499ecbf

8130260159 has 8 divisors (see below), whose sum is σ = 9294010368. Its totient is φ = 6967081080.

The previous prime is 8130260153. The next prime is 8130260161. The reversal of 8130260159 is 9510620318.

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 8130260159 - 24 = 8130260143 is a prime.

It is a super-2 number, since 2×81302601592 (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 (8130260153) 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, 111827 + ... + 169604.

It is an arithmetic number, because the mean of its divisors is an integer number (1161751296).

Almost surely, 28130260159 is an apocalyptic number.

8130260159 is a deficient number, since it is larger than the sum of its proper divisors (1163750209).

8130260159 is a wasteful number, since it uses less digits than its factorization.

8130260159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285565.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 8130260159 is about 90167.9552779146. The cubic root of 8130260159 is about 2010.7966248187.

The spelling of 8130260159 in words is "eight billion, one hundred thirty million, two hundred sixty thousand, one hundred fifty-nine".

Divisors: 1 7 4127 28889 281431 1970017 1161465737 8130260159