Search a number
-
+
12430309566 = 2323112380209
BaseRepresentation
bin10111001001110011…
…10111100010111110
31012002021211011002210
423210321313202332
5200424124401231
65413240401250
7620014613403
oct134471674276
935067734083
1012430309566
1152a9649614
1224aaa76226
131231358c7c
1485cc322aa
154cb41ea46
hex2e4e778be

12430309566 has 32 divisors (see below), whose sum is σ = 25964939520. Its totient is φ = 3959708544.

The previous prime is 12430309553. The next prime is 12430309583. The reversal of 12430309566 is 66590303421.

It is a super-2 number, since 2×124303095662 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114870 + ... + 195078.

It is an arithmetic number, because the mean of its divisors is an integer number (811404360).

Almost surely, 212430309566 is an apocalyptic number.

12430309566 is an abundant number, since it is smaller than the sum of its proper divisors (13534629954).

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

12430309566 is a wasteful number, since it uses less digits than its factorization.

12430309566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81360.

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 12430309566 in words is "twelve billion, four hundred thirty million, three hundred nine thousand, five hundred sixty-six".

Divisors: 1 2 3 6 23 46 69 138 1123 2246 3369 6738 25829 51658 77487 80209 154974 160418 240627 481254 1844807 3689614 5534421 11068842 90074707 180149414 270224121 540448242 2071718261 4143436522 6215154783 12430309566