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42442142022444 = 22319011860518237
BaseRepresentation
bin10011010011001110101001…
…10011000111101100101100
312120021102120211222210011110
421221213110303013230230
521030333001324204234
6230133352331152020
711640225562531023
oct1151472463075454
9176242524883143
1042442142022444
111258367a78647a
1249156a35a5610
131a8b37a231808
14a6a2d3da38ba
154d903e1931e9
hex2699d4cc7b2c

42442142022444 has 24 divisors (see below), whose sum is σ = 99083759282928. Its totient is φ = 14139938593600.

The previous prime is 42442142022389. The next prime is 42442142022461. The reversal of 42442142022444 is 44422024124424.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930236307 + ... + 930281930.

It is an arithmetic number, because the mean of its divisors is an integer number (4128489970122).

Almost surely, 242442142022444 is an apocalyptic number.

It is an amenable number.

42442142022444 is an abundant number, since it is smaller than the sum of its proper divisors (56641617260484).

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

42442142022444 is a wasteful number, since it uses less digits than its factorization.

42442142022444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860520145 (or 1860520143 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 39.

Adding to 42442142022444 its reverse (44422024124424), we get a palindrome (86864166146868).

The spelling of 42442142022444 in words is "forty-two trillion, four hundred forty-two billion, one hundred forty-two million, twenty-two thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 1901 3802 5703 7604 11406 22812 1860518237 3721036474 5581554711 7442072948 11163109422 22326218844 3536845168537 7073690337074 10610535505611 14147380674148 21221071011222 42442142022444