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1021013130344 = 231934719357901
BaseRepresentation
bin11101101101110010001…
…11111111110001101000
310121121102011100001021212
432312321013333301220
5113212013330132334
62101014050452252
7133523441261504
oct16667107776150
93547364301255
101021013130344
11364011326819
12145a67294088
1375386829c8c
14375bb0d7304
151b85b408ece
hexedb91ffc68

1021013130344 has 32 divisors (see below), whose sum is σ = 2020964968800. Its totient is φ = 482244004800.

The previous prime is 1021013130337. The next prime is 1021013130349. The reversal of 1021013130344 is 4430313101201.

It is not an unprimeable number, because it can be changed into a prime (1021013130349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9626207 + ... + 9731694.

It is an arithmetic number, because the mean of its divisors is an integer number (63155155275).

Almost surely, 21021013130344 is an apocalyptic number.

It is an amenable number.

1021013130344 is a deficient number, since it is larger than the sum of its proper divisors (999951838456).

1021013130344 is a wasteful number, since it uses less digits than its factorization.

1021013130344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19358273 (or 19358269 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1021013130344 its reverse (4430313101201), we get a palindrome (5451326231545).

The spelling of 1021013130344 in words is "one trillion, twenty-one billion, thirteen million, one hundred thirty thousand, three hundred forty-four".

Divisors: 1 2 4 8 19 38 76 152 347 694 1388 2776 6593 13186 26372 52744 19357901 38715802 77431604 154863208 367800119 735600238 1471200476 2942400952 6717191647 13434383294 26868766588 53737533176 127626641293 255253282586 510506565172 1021013130344