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401141531405 = 5143355986257
BaseRepresentation
bin1011101011001011110…
…01100000001100001101
31102100102020120011200202
411311211321200030031
523033014213001110
6504140515103245
740660442520626
oct5654571401415
91370366504622
10401141531405
11145139a3388a
12658b15a1b25
132ba9aca0904
14155b5a32a4d
15a67bc350a5
hex5d65e6030d

401141531405 has 8 divisors (see below), whose sum is σ = 481705763832. Its totient is φ = 320689274368.

The previous prime is 401141531377. The next prime is 401141531423. The reversal of 401141531405 is 504135141104.

It can be written as a sum of positive squares in 4 ways, for example, as 127567551556 + 273573979849 = 357166^2 + 523043^2 .

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 401141531405 - 210 = 401141530381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27985964 + ... + 28000293.

It is an arithmetic number, because the mean of its divisors is an integer number (60213220479).

Almost surely, 2401141531405 is an apocalyptic number.

It is an amenable number.

401141531405 is a deficient number, since it is larger than the sum of its proper divisors (80564232427).

401141531405 is a wasteful number, since it uses less digits than its factorization.

401141531405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55987695.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 401141531405 its reverse (504135141104), we get a palindrome (905276672509).

The spelling of 401141531405 in words is "four hundred one billion, one hundred forty-one million, five hundred thirty-one thousand, four hundred five".

Divisors: 1 5 1433 7165 55986257 279931285 80228306281 401141531405