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40142624741 is a prime number
BaseRepresentation
bin100101011000101011…
…111101011111100101
310211121121102121212022
4211120223331133211
51124203002442431
630235151432525
72620525452242
oct453053753745
9124547377768
1040142624741
111602a51312a
127943825745
133a2979b4bb
141d2b4d65c9
15109e2ab07b
hex958afd7e5

40142624741 has 2 divisors, whose sum is σ = 40142624742. Its totient is φ = 40142624740.

The previous prime is 40142624713. The next prime is 40142624777. The reversal of 40142624741 is 14742624104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26853376900 + 13289247841 = 163870^2 + 115279^2 .

It is a cyclic number.

It is not a de Polignac number, because 40142624741 - 230 = 39068882917 is a prime.

It is a super-2 number, since 2×401426247412 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40142624791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20071312370 + 20071312371.

It is an arithmetic number, because the mean of its divisors is an integer number (20071312371).

Almost surely, 240142624741 is an apocalyptic number.

It is an amenable number.

40142624741 is a deficient number, since it is larger than the sum of its proper divisors (1).

40142624741 is an equidigital number, since it uses as much as digits as its factorization.

40142624741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 35.

The spelling of 40142624741 in words is "forty billion, one hundred forty-two million, six hundred twenty-four thousand, seven hundred forty-one".