Search a number
-
+
12873793230 = 23251109128983
BaseRepresentation
bin10111111110101011…
…00111111011001110
31020020012022110022200
423333111213323032
5202331142340410
65525242022330
7634011302604
oct137725477316
936205273280
1012873793230
115506a14441
1225b34a79a6
1312a21b393c
148a1ab5874
155053223c0
hex2ff567ece

12873793230 has 48 divisors (see below), whose sum is σ = 33502304160. Its totient is φ = 3429889344.

The previous prime is 12873793223. The next prime is 12873793241. The reversal of 12873793230 is 3239737821.

12873793230 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 35319 + ... + 164301.

It is an arithmetic number, because the mean of its divisors is an integer number (697964670).

Almost surely, 212873793230 is an apocalyptic number.

12873793230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12873793230 is an abundant number, since it is smaller than the sum of its proper divisors (20628510930).

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

12873793230 is a wasteful number, since it uses less digits than its factorization.

12873793230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130105 (or 130102 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 12873793230 in words is "twelve billion, eight hundred seventy-three million, seven hundred ninety-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1109 2218 3327 5545 6654 9981 11090 16635 19962 33270 49905 99810 128983 257966 386949 644915 773898 1160847 1289830 1934745 2321694 3869490 5804235 11608470 143042147 286084294 429126441 715210735 858252882 1287379323 1430421470 2145632205 2574758646 4291264410 6436896615 12873793230