Search a number
-
+
81026333214 = 2313504388869
BaseRepresentation
bin100101101110110001…
…0111011101000011110
321202010212100012111020
41023131202323220132
52311420220130324
6101120055305010
75565623316501
oct1133542735036
9252125305436
1081026333214
11313aa286452
121385367b166
137843961c88
143cc91bd138
152193652679
hex12dd8bba1e

81026333214 has 8 divisors (see below), whose sum is σ = 162052666440. Its totient is φ = 27008777736.

The previous prime is 81026333197. The next prime is 81026333281. The reversal of 81026333214 is 41233362018.

It is a sphenic number, since it is the product of 3 distinct primes.

81026333214 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6752194429 + ... + 6752194440.

It is an arithmetic number, because the mean of its divisors is an integer number (20256583305).

Almost surely, 281026333214 is an apocalyptic number.

81026333214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

81026333214 is a wasteful number, since it uses less digits than its factorization.

81026333214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13504388874.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 81026333214 in words is "eighty-one billion, twenty-six million, three hundred thirty-three thousand, two hundred fourteen".

Divisors: 1 2 3 6 13504388869 27008777738 40513166607 81026333214