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40103215055 = 553613078081
BaseRepresentation
bin100101010110010101…
…100111111111001111
310211111212021101221022
4211112111213333033
51124112410340210
630231223024355
72616536463221
oct452625477717
9124455241838
1040103215055
111600a246042
12793259b0bb
133a21580567
141d26198411
15109aac4155
hex956567fcf

40103215055 has 32 divisors (see below), whose sum is σ = 50004174528. Its totient is φ = 30856550400.

The previous prime is 40103215039. The next prime is 40103215073. The reversal of 40103215055 is 55051230104.

It is not a de Polignac number, because 40103215055 - 24 = 40103215039 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 (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4958615 + ... + 4966695.

It is an arithmetic number, because the mean of its divisors is an integer number (1562630454).

Almost surely, 240103215055 is an apocalyptic number.

40103215055 is a deficient number, since it is larger than the sum of its proper divisors (9900959473).

40103215055 is a wasteful number, since it uses less digits than its factorization.

40103215055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8507.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 40103215055 its reverse (55051230104), we get a palindrome (95154445159).

The spelling of 40103215055 in words is "forty billion, one hundred three million, two hundred fifteen thousand, fifty-five".

Divisors: 1 5 53 61 265 305 307 1535 3233 8081 16165 16271 18727 40405 81355 93635 428293 492941 992531 2141465 2464705 2480867 4962655 12404335 26125873 130629365 131485951 151332887 657429755 756664435 8020643011 40103215055