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44215222515113 = 1311379373792221
BaseRepresentation
bin10100000110110101010001…
…01000011011010110101001
312210112221012212202021210002
422003122220220123112221
521243410233430440423
6234012105351432345
712212305301203316
oct1203325050332651
9183487185667702
1044215222515113
11130a763046a841
124b612586856b5
131b89629369850
14acc0574c3d0d
1551a215766228
hex2836a8a1b5a9

44215222515113 has 16 divisors (see below), whose sum is σ = 48043842544656. Its totient is φ = 40447757844480.

The previous prime is 44215222515083. The next prime is 44215222515187. The reversal of 44215222515113 is 31151522251244.

It can be written as a sum of positive squares in 8 ways, for example, as 47129370649 + 44168093144464 = 217093^2 + 6645908^2 .

It is a cyclic number.

It is not a de Polignac number, because 44215222515113 - 228 = 44214954079657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44215222545113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9763343 + ... + 13555563.

It is an arithmetic number, because the mean of its divisors is an integer number (3002740159041).

Almost surely, 244215222515113 is an apocalyptic number.

It is an amenable number.

44215222515113 is a deficient number, since it is larger than the sum of its proper divisors (3828620029543).

44215222515113 is a wasteful number, since it uses less digits than its factorization.

44215222515113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800284.

The product of its digits is 96000, while the sum is 38.

Adding to 44215222515113 its reverse (31151522251244), we get a palindrome (75366744766357).

The spelling of 44215222515113 in words is "forty-four trillion, two hundred fifteen billion, two hundred twenty-two million, five hundred fifteen thousand, one hundred thirteen".

Divisors: 1 13 113 1469 7937 103181 896881 3792221 11659453 49298873 428520973 5570772649 30098858077 391285155001 3401170962701 44215222515113