Search a number
-
+
68821486822 = 21129313479699
BaseRepresentation
bin100000000011000010…
…1001000110011100110
320120122021202202201101
41000012011020303212
52111421300034242
651341031150314
74654313662114
oct1000605106346
9216567682641
1068821486822
1127206a31740
121140821539a
13664a23728a
14348c2baab4
151bcbe1b9b7
hex1006148ce6

68821486822 has 32 divisors (see below), whose sum is σ = 120258432000. Its totient is φ = 29229463200.

The previous prime is 68821486753. The next prime is 68821486841. The reversal of 68821486822 is 22868412886.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1720072 + ... + 1759627.

It is an arithmetic number, because the mean of its divisors is an integer number (3758076000).

Almost surely, 268821486822 is an apocalyptic number.

68821486822 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

68821486822 is a deficient number, since it is larger than the sum of its proper divisors (51436945178).

68821486822 is a wasteful number, since it uses less digits than its factorization.

68821486822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479772.

The product of its digits is 4718592, while the sum is 55.

The spelling of 68821486822 in words is "sixty-eight billion, eight hundred twenty-one million, four hundred eighty-six thousand, eight hundred twenty-two".

Divisors: 1 2 11 22 29 31 58 62 319 341 638 682 899 1798 9889 19778 3479699 6959398 38276689 76553378 100911271 107870669 201822542 215741338 1110023981 1186577359 2220047962 2373154718 3128249401 6256498802 34410743411 68821486822