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447340012237145 = 5647313821721373
BaseRepresentation
bin110010110110110100111011…
…0100001011111000101011001
32011122220021202121011101021202
41211231221312201133011121
5432113204321113042040
64223225055315043545
7163140151344420446
oct14555516641370531
92148807677141252
10447340012237145
1111a599919861295
12422095a8ba05b5
131627bc9ca17bb1
147c6752d1329cd
1536ab51880b015
hex196da7685f159

447340012237145 has 8 divisors (see below), whose sum is σ = 536890945051656. Its totient is φ = 357816722878336.

The previous prime is 447340012237141. The next prime is 447340012237171. The reversal of 447340012237145 is 541732210043744.

It can be written as a sum of positive squares in 4 ways, for example, as 48033951006409 + 399306061230736 = 6930653^2 + 19982644^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 447340012237145 - 22 = 447340012237141 is a prime.

It is a super-2 number, since 2×4473400122371452 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 447340012237145.

It is not an unprimeable number, because it can be changed into a prime (447340012237141) 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, 6910828322 + ... + 6910893051.

It is an arithmetic number, because the mean of its divisors is an integer number (67111368131457).

Almost surely, 2447340012237145 is an apocalyptic number.

It is an amenable number.

447340012237145 is a deficient number, since it is larger than the sum of its proper divisors (89550932814511).

447340012237145 is a wasteful number, since it uses less digits than its factorization.

447340012237145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13821727851.

The product of its (nonzero) digits is 2257920, while the sum is 47.

The spelling of 447340012237145 in words is "four hundred forty-seven trillion, three hundred forty billion, twelve million, two hundred thirty-seven thousand, one hundred forty-five".

Divisors: 1 5 6473 32365 13821721373 69108606865 89468002447429 447340012237145