Search a number
-
+
6668117505115 = 5111272557937321
BaseRepresentation
bin110000100001000101011…
…0001100111010001011011
3212121110120120111101202021
41201002022301213101123
51333222301040130430
622103142455515311
71255520111414443
oct141021261472133
925543516441667
106668117505115
112140a29548820
128b83ab088b37
13394a5441ca41
14190a4aa5b123
15b86be01507a
hex6108ac6745b

6668117505115 has 32 divisors (see below), whose sum is σ = 8798485340160. Its totient is φ = 4811037638400.

The previous prime is 6668117505083. The next prime is 6668117505139. The reversal of 6668117505115 is 5115057118666.

It is not a de Polignac number, because 6668117505115 - 25 = 6668117505083 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 178650655 + ... + 178687975.

It is an arithmetic number, because the mean of its divisors is an integer number (274952666880).

Almost surely, 26668117505115 is an apocalyptic number.

6668117505115 is a deficient number, since it is larger than the sum of its proper divisors (2130367835045).

6668117505115 is a wasteful number, since it uses less digits than its factorization.

6668117505115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63043.

The product of its (nonzero) digits is 1512000, while the sum is 52.

The spelling of 6668117505115 in words is "six trillion, six hundred sixty-eight billion, one hundred seventeen million, five hundred five thousand, one hundred fifteen".

Divisors: 1 5 11 55 127 635 1397 6985 25579 37321 127895 186605 281369 410531 1406845 2052655 3248533 4739767 16242665 23698835 35733863 52137437 178669315 260687185 954633859 4773169295 10500972449 52504862245 121238500093 606192500465 1333623501023 6668117505115