Search a number
-
+
12313450000 = 2455383643
BaseRepresentation
bin10110111011111000…
…00101011000010000
31011210010221001220201
423131330011120100
5200204220400000
65353503544544
7614065412065
oct133574053020
934703831821
1012313450000
115249692265
1224778bb154
1312130915b7
1484b4d2c6c
154c103996a
hex2ddf05610

12313450000 has 120 divisors (see below), whose sum is σ = 29944083456. Its totient is φ = 4904880000.

The previous prime is 12313449997. The next prime is 12313450021. The reversal of 12313450000 is 5431321.

It is a self number, because there is not a number n which added to its sum of digits gives 12313450000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19149679 + ... + 19150321.

Almost surely, 212313450000 is an apocalyptic number.

12313450000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12313450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14972041728).

12313450000 is an abundant number, since it is smaller than the sum of its proper divisors (17630633456).

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

12313450000 is an frugal number, since it uses more digits than its factorization.

12313450000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 12313450000 its reverse (5431321), we get a palindrome (12318881321).

The spelling of 12313450000 in words is "twelve billion, three hundred thirteen million, four hundred fifty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 383 400 500 625 643 766 1000 1250 1286 1532 1915 2000 2500 2572 3064 3125 3215 3830 5000 5144 6128 6250 6430 7660 9575 10000 10288 12500 12860 15320 16075 19150 25000 25720 30640 32150 38300 47875 50000 51440 64300 76600 80375 95750 128600 153200 160750 191500 239375 246269 257200 321500 383000 401875 478750 492538 643000 766000 803750 957500 985076 1196875 1231345 1286000 1607500 1915000 1970152 2009375 2393750 2462690 3215000 3830000 3940304 4018750 4787500 4925380 6156725 6430000 8037500 9575000 9850760 12313450 16075000 19150000 19701520 24626900 30783625 32150000 49253800 61567250 98507600 123134500 153918125 246269000 307836250 492538000 615672500 769590625 1231345000 1539181250 2462690000 3078362500 6156725000 12313450000