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44220031013 = 1371198726927
BaseRepresentation
bin101001001011101110…
…000010000000100101
311020010202210022202102
4221023232002000211
51211030311443023
632151524421445
73123546030134
oct511356020045
9136122708672
1044220031013
1117832066884
1286a1247885
134229452832
1421d6c3991b
15123c221628
hexa4bb82025

44220031013 has 8 divisors (see below), whose sum is σ = 44548175232. Its totient is φ = 43891964896.

The previous prime is 44220030991. The next prime is 44220031019. The reversal of 44220031013 is 31013002244.

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 44220031013 - 26 = 44220030949 is a prime.

It is a super-2 number, since 2×442200310132 (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 (44220031019) 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, 1628756 + ... + 1655682.

It is an arithmetic number, because the mean of its divisors is an integer number (5568521904).

Almost surely, 244220031013 is an apocalyptic number.

It is an amenable number.

44220031013 is a deficient number, since it is larger than the sum of its proper divisors (328144219).

44220031013 is a wasteful number, since it uses less digits than its factorization.

44220031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39051.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 44220031013 its reverse (31013002244), we get a palindrome (75233033257).

The spelling of 44220031013 in words is "forty-four billion, two hundred twenty million, thirty-one thousand, thirteen".

Divisors: 1 137 11987 26927 1642219 3688999 322773949 44220031013