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44331212212 = 2278917789411
BaseRepresentation
bin101001010010010110…
…001001110110110100
311020102111222220200121
4221102112021312310
51211242242242322
632210535421324
73126366041440
oct512226116664
9136374886617
1044331212212
11178898a4971
128712524844
1342464ac721
1422078db820
151246d83ec7
hexa52589db4

44331212212 has 24 divisors (see below), whose sum is σ = 89658636480. Its totient is φ = 18785616960.

The previous prime is 44331212141. The next prime is 44331212249. The reversal of 44331212212 is 21221213344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8892214 + ... + 8897197.

It is an arithmetic number, because the mean of its divisors is an integer number (3735776520).

Almost surely, 244331212212 is an apocalyptic number.

It is an amenable number.

44331212212 is an abundant number, since it is smaller than the sum of its proper divisors (45327424268).

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

44331212212 is a wasteful number, since it uses less digits than its factorization.

44331212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17789511 (or 17789509 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

Adding to 44331212212 its reverse (21221213344), we get a palindrome (65552425556).

The spelling of 44331212212 in words is "forty-four billion, three hundred thirty-one million, two hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 89 178 356 623 1246 2492 17789411 35578822 71157644 124525877 249051754 498103508 1583257579 3166515158 6333030316 11082803053 22165606106 44331212212