Search a number
-
+
206874820000 = 255410343741
BaseRepresentation
bin1100000010101010110…
…0110011110110100000
3201202222110110201121101
43000222230303312200
511342134423220000
6235011553204144
720642356646002
oct3005254636640
9652873421541
10206874820000
117a80a496222
1234115b60654
131667b7064c4
14a027174372
1555abcb2e6a
hex302ab33da0

206874820000 has 60 divisors (see below), whose sum is σ = 508943137626. Its totient is φ = 82749920000.

The previous prime is 206874819919. The next prime is 206874820043. The reversal of 206874820000 is 28478602.

It can be written as a sum of positive squares in 5 ways, for example, as 2219917456 + 204654902544 = 47116^2 + 452388^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5151871 + ... + 5191870.

Almost surely, 2206874820000 is an apocalyptic number.

206874820000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206874820000 is an abundant number, since it is smaller than the sum of its proper divisors (302068317626).

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

206874820000 is an equidigital number, since it uses as much as digits as its factorization.

206874820000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343771 (or 10343748 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 206874820000 in words is "two hundred six billion, eight hundred seventy-four million, eight hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 4000 5000 10000 20000 10343741 20687482 41374964 51718705 82749928 103437410 165499856 206874820 258593525 330999712 413749640 517187050 827499280 1034374100 1292967625 1654998560 2068748200 2585935250 4137496400 5171870500 6464838125 8274992800 10343741000 12929676250 20687482000 25859352500 41374964000 51718705000 103437410000 206874820000