Search a number
-
+
10212827866 = 271238330181
BaseRepresentation
bin10011000001011101…
…10110001011011010
3222100202020102001221
421200232312023122
5131403440442431
64405224202254
7511040414233
oct114056661332
928322212057
1010212827866
11437096980a
121b9030938a
13c69b16517
146cc52408a
153eb8ed111
hex260bb62da

10212827866 has 16 divisors (see below), whose sum is σ = 15542039808. Its totient is φ = 5032213200.

The previous prime is 10212827861. The next prime is 10212827869. The reversal of 10212827866 is 66872821201.

It is a happy number.

10212827866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×102128278662 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10212827861) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 323296 + ... + 353476.

It is an arithmetic number, because the mean of its divisors is an integer number (971377488).

Almost surely, 210212827866 is an apocalyptic number.

10212827866 is a deficient number, since it is larger than the sum of its proper divisors (5329211942).

10212827866 is a wasteful number, since it uses less digits than its factorization.

10212827866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32637.

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 10212827866 in words is "ten billion, two hundred twelve million, eight hundred twenty-seven thousand, eight hundred sixty-six".

Divisors: 1 2 71 142 2383 4766 30181 60362 169193 338386 2142851 4285702 71921323 143842646 5106413933 10212827866