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44121002431 = 1115712553151
BaseRepresentation
bin101001000101110100…
…010001000110111111
311012212212110011002011
4221011310101012333
51210324434034211
632134030112051
73121234222102
oct510564210677
9135785404064
1044121002431
1117791179180
12867404b627
134211a8c23c
1421c7a1c739
1512336ae921
hexa45d111bf

44121002431 has 8 divisors (see below), whose sum is σ = 48162659328. Its totient is φ = 40084455000.

The previous prime is 44121002423. The next prime is 44121002449. The reversal of 44121002431 is 13420012144.

It is a happy number.

44121002431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 44121002431 - 23 = 44121002423 is a prime.

It is a super-2 number, since 2×441210024312 (a number of 22 digits) contains 22 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 (44121002231) 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, 1259295 + ... + 1293856.

It is an arithmetic number, because the mean of its divisors is an integer number (6020332416).

Almost surely, 244121002431 is an apocalyptic number.

44121002431 is a deficient number, since it is larger than the sum of its proper divisors (4041656897).

44121002431 is a wasteful number, since it uses less digits than its factorization.

44121002431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554733.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 44121002431 its reverse (13420012144), we get a palindrome (57541014575).

The spelling of 44121002431 in words is "forty-four billion, one hundred twenty-one million, two thousand, four hundred thirty-one".

Divisors: 1 11 1571 17281 2553151 28084661 4011000221 44121002431