Search a number
-
+
44303131421 = 194156871799
BaseRepresentation
bin101001010000101011…
…000010001100011101
311020100120011021002022
4221100223002030131
51211213100201141
632204053505525
73125605255313
oct512053021435
9136316137068
1044303131421
1117874a653aa
1287050422a5
13424072a183
142203cac0b3
151244688b4b
hexa50ac231d

44303131421 has 8 divisors (see below), whose sum is σ = 47772312000. Its totient is φ = 40947694560.

The previous prime is 44303131409. The next prime is 44303131427. The reversal of 44303131421 is 12413130344.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44303131421 is a prime.

It is a super-3 number, since 3×443031314213 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44303131427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28435121 + ... + 28436678.

It is an arithmetic number, because the mean of its divisors is an integer number (5971539000).

Almost surely, 244303131421 is an apocalyptic number.

44303131421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

44303131421 is a deficient number, since it is larger than the sum of its proper divisors (3469180579).

44303131421 is a wasteful number, since it uses less digits than its factorization.

44303131421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56871859.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 44303131421 its reverse (12413130344), we get a palindrome (56716261765).

The spelling of 44303131421 in words is "forty-four billion, three hundred three million, one hundred thirty-one thousand, four hundred twenty-one".

Divisors: 1 19 41 779 56871799 1080564181 2331743759 44303131421