Search a number
-
+
68182874113611 = 31959178311370959
BaseRepresentation
bin11111000000011000011111…
…11111011100011001001011
322221102012220201200102202110
433200030033333130121023
532414102011233113421
6401002440245233403
720235023116322025
oct1740141777343113
9287365821612673
1068182874113611
111a7a8215a05624
12779236a702863
132c0780469311a
1412ba0d67a9015
157d38d66eaa76
hex3e030ffdc64b

68182874113611 has 32 divisors (see below), whose sum is σ = 97371804672000. Its totient is φ = 42309242461728.

The previous prime is 68182874113609. The next prime is 68182874113633. The reversal of 68182874113611 is 11631147828186.

It is not a de Polignac number, because 68182874113611 - 21 = 68182874113609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (68182874113681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310750 + ... + 11681708.

It is an arithmetic number, because the mean of its divisors is an integer number (3042868896000).

Almost surely, 268182874113611 is an apocalyptic number.

68182874113611 is a deficient number, since it is larger than the sum of its proper divisors (29188930558389).

68182874113611 is a wasteful number, since it uses less digits than its factorization.

68182874113611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11372823.

The product of its digits is 3096576, while the sum is 57.

The spelling of 68182874113611 in words is "sixty-eight trillion, one hundred eighty-two billion, eight hundred seventy-four million, one hundred thirteen thousand, six hundred eleven".

Divisors: 1 3 19 57 59 177 1121 1783 3363 5349 33877 101631 105197 315591 1998743 5996229 11370959 34112877 216048221 648144663 670886581 2012659743 12746845039 20274419897 38240535117 60823259691 385213978043 1155641934129 1196190773923 3588572321769 22727624704537 68182874113611