Search a number
-
+
68226902226 = 23274153249187
BaseRepresentation
bin111111100010101000…
…111110100011010010
320112002211221201222200
4333202220332203102
52104212041332401
651202031144030
74633504046250
oct774250764322
9215084851880
1068226902226
1126a3134250a
1211281075016
136583cb6582
1434333435d0
151b94b1d686
hexfe2a3e8d2

68226902226 has 96 divisors (see below), whose sum is σ = 176329415808. Its totient is φ = 18659047680.

The previous prime is 68226902209. The next prime is 68226902239. The reversal of 68226902226 is 62220962286.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149205 + ... + 398391.

It is an arithmetic number, because the mean of its divisors is an integer number (1836764748).

Almost surely, 268226902226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68226902226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88164707904).

68226902226 is an abundant number, since it is smaller than the sum of its proper divisors (108102513582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68226902226 is a wasteful number, since it uses less digits than its factorization.

68226902226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249296 (or 249293 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 68226902226 in words is "sixty-eight billion, two hundred twenty-six million, nine hundred two thousand, two hundred twenty-six".

Divisors: 1 2 3 6 7 9 14 18 21 41 42 53 63 82 106 123 126 159 246 287 318 369 371 477 574 738 742 861 954 1113 1722 2173 2226 2583 3339 4346 5166 6519 6678 13038 15211 19557 30422 39114 45633 91266 136899 249187 273798 498374 747561 1495122 1744309 2242683 3488618 4485366 5232927 10216667 10465854 13206911 15698781 20433334 26413822 30650001 31397562 39620733 61300002 71516669 79241466 91950003 92448377 118862199 143033338 183900006 184896754 214550007 237724398 277345131 429100014 541483351 554690262 643650021 832035393 1082966702 1287300042 1624450053 1664070786 3248900106 3790383457 4873350159 7580766914 9746700318 11371150371 22742300742 34113451113 68226902226