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44222120213 = 1722916332371
BaseRepresentation
bin101001001011110110…
…000000000100010101
311020010220201110121012
4221023312000010111
51211031330321323
632152041302005
73123602551115
oct511366000425
9136126643535
1044222120213
1117833263497
1286a1a94905
134229a0474b
1421d7221045
15123c4d5678
hexa4bd80115

44222120213 has 24 divisors (see below), whose sum is σ = 48895963680. Its totient is φ = 39937847040.

The previous prime is 44222120203. The next prime is 44222120221. The reversal of 44222120213 is 31202122244.

It is not a de Polignac number, because 44222120213 - 28 = 44222119957 is a prime.

It is a super-2 number, since 2×442221202132 (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 (44222120203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1349918 + ... + 1382288.

It is an arithmetic number, because the mean of its divisors is an integer number (2037331820).

Almost surely, 244222120213 is an apocalyptic number.

It is an amenable number.

44222120213 is a deficient number, since it is larger than the sum of its proper divisors (4673843467).

44222120213 is a wasteful number, since it uses less digits than its factorization.

44222120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32597 (or 32580 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 44222120213 its reverse (31202122244), we get a palindrome (75424242457).

The spelling of 44222120213 in words is "forty-four billion, two hundred twenty-two million, one hundred twenty thousand, two hundred thirteen".

Divisors: 1 17 29 163 289 493 2771 4727 8381 32371 47107 80359 550307 938759 1366103 5276473 9355219 15958903 89700041 153017717 271301351 1524900697 2601301189 44222120213