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1447420247441 = 74312373887393
BaseRepresentation
bin10101000100000000111…
…110000011110110010001
312010101001012112221212122
4111010000332003312101
5142203304040404231
63024534035104025
7206400265051220
oct25040076036621
95111035487778
101447420247441
11508935aa5033
121b462a142015
13a665007289c
14500ac488cb7
15279b62c377b
hex15100f83d91

1447420247441 has 16 divisors (see below), whose sum is σ = 1694033007744. Its totient is φ = 1210813761024.

The previous prime is 1447420247423. The next prime is 1447420247443.

1447420247441 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1447420247441 - 222 = 1447416053137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1447420247392 and 1447420247401.

It is not an unprimeable number, because it can be changed into a prime (1447420247443) 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 15 ways as a sum of consecutive naturals, for example, 1571360 + ... + 2316033.

It is an arithmetic number, because the mean of its divisors is an integer number (105877062984).

Almost surely, 21447420247441 is an apocalyptic number.

It is an amenable number.

1447420247441 is a deficient number, since it is larger than the sum of its proper divisors (246612760303).

1447420247441 is a wasteful number, since it uses less digits than its factorization.

1447420247441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888680.

The product of its (nonzero) digits is 802816, while the sum is 44.

The spelling of 1447420247441 in words is "one trillion, four hundred forty-seven billion, four hundred twenty million, two hundred forty-seven thousand, four hundred forty-one".

Divisors: 1 7 43 301 1237 8659 53191 372337 3887393 27211751 167157899 1170105293 4808705141 33660935987 206774321063 1447420247441