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1540050142105 = 51312351221591
BaseRepresentation
bin10110011010010010001…
…001000100001110011001
312110020010202001011021001
4112122102021010032121
5200213010314021410
63135253403145001
7216156610135156
oct26322211041631
95406122034231
101540050142105
1154414a179992
1220a57b815161
13b22c29a3b47
145477876b22d
152a0d848833a
hex16692244399

1540050142105 has 8 divisors (see below), whose sum is σ = 1862167500864. Its totient is φ = 1222635226800.

The previous prime is 1540050142091. The next prime is 1540050142123. The reversal of 1540050142105 is 5012410500451.

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

It is a de Polignac number, because none of the positive numbers 2k-1540050142105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1175610141 + ... + 1175611450.

It is an arithmetic number, because the mean of its divisors is an integer number (232770937608).

Almost surely, 21540050142105 is an apocalyptic number.

It is an amenable number.

1540050142105 is a deficient number, since it is larger than the sum of its proper divisors (322117358759).

1540050142105 is a wasteful number, since it uses less digits than its factorization.

1540050142105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351221727.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 1540050142105 its reverse (5012410500451), we get a palindrome (6552460642556).

The spelling of 1540050142105 in words is "one trillion, five hundred forty billion, fifty million, one hundred forty-two thousand, one hundred five".

Divisors: 1 5 131 655 2351221591 11756107955 308010028421 1540050142105