Search a number
-
+
212110001000 = 2353212110001
BaseRepresentation
bin1100010110001010111…
…1011100001101101000
3202021111022101110211222
43011202233130031220
511433400130013000
6241235245241212
721216166155242
oct3054257341550
9667438343758
10212110001000
1181a56625197
1235137263208
13170041b9641
14a3a2575092
1557b66c2a85
hex3162bdc368

212110001000 has 32 divisors (see below), whose sum is σ = 496337404680. Its totient is φ = 84844000000.

The previous prime is 212110000939. The next prime is 212110001009. The reversal of 212110001000 is 100011212.

212110001000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 98356249924 + 113753751076 = 313618^2 + 337274^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (212110001009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106054001 + ... + 106056000.

Almost surely, 2212110001000 is an apocalyptic number.

212110001000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212110001000 is an abundant number, since it is smaller than the sum of its proper divisors (284227403680).

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

212110001000 is a wasteful number, since it uses less digits than its factorization.

212110001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212110022 (or 212110008 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 212110001000 its reverse (100011212), we get a palindrome (212210012212).

The spelling of 212110001000 in words is "two hundred twelve billion, one hundred ten million, one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 212110001 424220002 848440004 1060550005 1696880008 2121100010 4242200020 5302750025 8484400040 10605500050 21211000100 26513750125 42422000200 53027500250 106055000500 212110001000