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1447474401138 = 231811913314517
BaseRepresentation
bin10101000100000100001…
…100101000111101110010
312010101011222110020210010
4111010010030220331302
5142203411421314023
63024543251515350
7206401523255553
oct25040414507562
95111158406703
101447474401138
11508963622557
121b46442b8b56
13a665b3537ac
14500b574432a
15279bae1e093
hex15104328f72

1447474401138 has 16 divisors (see below), whose sum is σ = 2895108793920. Its totient is φ = 482464801776.

The previous prime is 1447474401137. The next prime is 1447474401143. The reversal of 1447474401138 is 8311044747441.

It is not an unprimeable number, because it can be changed into a prime (1447474401133) by changing a digit.

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, 6548545 + ... + 6765972.

It is an arithmetic number, because the mean of its divisors is an integer number (180944299620).

Almost surely, 21447474401138 is an apocalyptic number.

1447474401138 is an abundant number, since it is smaller than the sum of its proper divisors (1447634392782).

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

1447474401138 is a wasteful number, since it uses less digits than its factorization.

1447474401138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13332641.

The product of its (nonzero) digits is 1204224, while the sum is 48.

The spelling of 1447474401138 in words is "one trillion, four hundred forty-seven billion, four hundred seventy-four million, four hundred one thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 18119 36238 54357 108714 13314517 26629034 39943551 79887102 241245733523 482491467046 723737200569 1447474401138