Search a number
-
+
210105505012300 = 22525309395753447
BaseRepresentation
bin101111110001011011111111…
…111111011101101001001100
31000112220220000220011020211221
4233301123333333131221030
5210014332033240343200
62022505045253053124
762153423164536142
oct5761337777355114
91015826026136757
10210105505012300
1160a4527615a707
121b693a306271a4
139030b305a4061
1439c5236d73592
1519454d667b91a
hexbf16fffdda4c

210105505012300 has 36 divisors (see below), whose sum is σ = 456014825526960. Its totient is φ = 84026371654720.

The previous prime is 210105505012253. The next prime is 210105505012331. The reversal of 210105505012300 is 3210505501012.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197345824 + ... + 198407623.

It is an arithmetic number, because the mean of its divisors is an integer number (12667078486860).

Almost surely, 2210105505012300 is an apocalyptic number.

210105505012300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210105505012300 is an abundant number, since it is smaller than the sum of its proper divisors (245909320514660).

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

210105505012300 is a wasteful number, since it uses less digits than its factorization.

210105505012300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395758770 (or 395758763 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 210105505012300 in words is "two hundred ten trillion, one hundred five billion, five hundred five million, twelve thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 5309 10618 21236 26545 53090 106180 132725 265450 530900 395753447 791506894 1583013788 1978767235 3957534470 7915068940 9893836175 19787672350 39575344700 2101055050123 4202110100246 8404220200492 10505275250615 21010550501230 42021101002460 52526376253075 105052752506150 210105505012300