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44212220444 = 22711377318077
BaseRepresentation
bin101001001011010000…
…001111001000011100
311020010020002111200002
4221023100033020130
51211021312023234
632151045153432
73123422446610
oct511320171034
9136106074602
1044212220444
1117828711667
12869a6bb878
1342279496b2
1421d5ba5340
15123b6cc27e
hexa4b40f21c

44212220444 has 48 divisors (see below), whose sum is σ = 89327302848. Its totient is φ = 18755079168.

The previous prime is 44212220443. The next prime is 44212220461. The reversal of 44212220444 is 44402221244.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44212220441) 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, 2436734 + ... + 2454810.

It is an arithmetic number, because the mean of its divisors is an integer number (1860985476).

Almost surely, 244212220444 is an apocalyptic number.

It is an amenable number.

44212220444 is an abundant number, since it is smaller than the sum of its proper divisors (45115082404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44212220444 is a wasteful number, since it uses less digits than its factorization.

44212220444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18974 (or 18972 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 44212220444 its reverse (44402221244), we get a palindrome (88614441688).

The spelling of 44212220444 in words is "forty-four billion, two hundred twelve million, two hundred twenty thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 113 226 452 773 791 1546 1582 3092 3164 5411 10822 18077 21644 36154 72308 87349 126539 174698 253078 349396 506156 611443 1222886 2042701 2445772 4085402 8170804 13973521 14298907 27947042 28597814 55894084 57195628 97814647 195629294 391258588 1579007873 3158015746 6316031492 11053055111 22106110222 44212220444