Search a number
-
+
12628792777930 = 2575871373223849
BaseRepresentation
bin1011011111000101111010…
…1101010001110011001010
31122201022010021121211022021
42313301132231101303022
53123402231422343210
642505330505315054
72442254154311350
oct267613655216312
948638107554267
1012628792777930
11402992832263a
1214bb665195a8a
13707b7558c6a4
14319345c1b7d0
1516d785901bda
hexb7c5eb51cca

12628792777930 has 64 divisors (see below), whose sum is σ = 26042558572800. Its totient is φ = 4319328029184.

The previous prime is 12628792777907. The next prime is 12628792777967. The reversal of 12628792777930 is 3977729782621.

It is a Harshad number since it is a multiple of its sum of digits (70).

It is a self number, because there is not a number n which added to its sum of digits gives 12628792777930.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56304646 + ... + 56528494.

It is an arithmetic number, because the mean of its divisors is an integer number (406914977700).

Almost surely, 212628792777930 is an apocalyptic number.

12628792777930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12628792777930 is an abundant number, since it is smaller than the sum of its proper divisors (13413765794870).

12628792777930 is a wasteful number, since it uses less digits than its factorization.

12628792777930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225823.

The product of its (nonzero) digits is 224042112, while the sum is 70.

The spelling of 12628792777930 in words is "twelve trillion, six hundred twenty-eight billion, seven hundred ninety-two million, seven hundred seventy-seven thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 587 1174 1373 2746 2935 4109 5870 6865 8218 9611 13730 19222 20545 41090 48055 96110 223849 447698 805951 1119245 1566943 1611902 2238490 3133886 4029755 5641657 7834715 8059510 11283314 15669430 28208285 56416570 131399363 262798726 307344677 614689354 656996815 919795541 1313993630 1536723385 1839591082 2151412739 3073446770 4302825478 4598977705 9197955410 10757063695 21514127390 180411325399 360822650798 902056626995 1262879277793 1804113253990 2525758555586 6314396388965 12628792777930