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40026260071031 = 133078943082387
BaseRepresentation
bin10010001100111010101110…
…00000110110001001110111
312020201110202212212211121212
421012131113000312021313
520221242240034233111
6221043450544432035
711300542016004413
oct1106352700661167
9166643685784555
1040026260071031
1111832050367113
1245a543561861b
1319445c9b98830
149c53d1d4bd43
1549629534398b
hex246757036277

40026260071031 has 4 divisors (see below), whose sum is σ = 43105203153432. Its totient is φ = 36947316988632.

The previous prime is 40026260071013. The next prime is 40026260071037. The reversal of 40026260071031 is 13017006262004.

40026260071031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40026260071031 is a prime.

It is a super-3 number, since 3×400262600710313 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40026260071037) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1539471541181 + ... + 1539471541206.

It is an arithmetic number, because the mean of its divisors is an integer number (10776300788358).

Almost surely, 240026260071031 is an apocalyptic number.

40026260071031 is a deficient number, since it is larger than the sum of its proper divisors (3078943082401).

40026260071031 is a wasteful number, since it uses less digits than its factorization.

40026260071031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078943082400.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 40026260071031 in words is "forty trillion, twenty-six billion, two hundred sixty million, seventy-one thousand, thirty-one".

Divisors: 1 13 3078943082387 40026260071031