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2144440444412 = 227195171779521
BaseRepresentation
bin11111001101001010100…
…111000110010111111100
321121000011202000200022102
4133031022213012113330
5240113303223210122
64321050425004232
7310634143011320
oct37151247062774
97530152020272
102144440444412
117574a77a85a2
122a7734923678
131272b207a266
1475b11b23980
153abad976492
hex1f34a9c65fc

2144440444412 has 48 divisors (see below), whose sum is σ = 4515490318080. Its totient is φ = 870505574400.

The previous prime is 2144440444369. The next prime is 2144440444423.

2144440444412 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2361212 + ... + 3140732.

It is an arithmetic number, because the mean of its divisors is an integer number (94072714960).

Almost surely, 22144440444412 is an apocalyptic number.

It is an amenable number.

2144440444412 is an abundant number, since it is smaller than the sum of its proper divisors (2371049873668).

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

2144440444412 is a wasteful number, since it uses less digits than its factorization.

2144440444412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784722 (or 784720 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 38.

It can be divided in two parts, 2144440 and 444412, that added together give a palindrome (2588852).

The spelling of 2144440444412 in words is "two trillion, one hundred forty-four billion, four hundred forty million, four hundred forty-four thousand, four hundred twelve".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 5171 10342 20684 36197 72394 98249 144788 196498 392996 687743 779521 1375486 1559042 2750972 3118084 5456647 10913294 14810899 21826588 29621798 59243596 103676293 207352586 414705172 4030903091 8061806182 16123612364 28216321637 56432643274 76587158729 112865286548 153174317458 306348634916 536110111103 1072220222206 2144440444412