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40235025770431 = 2967131158073907
BaseRepresentation
bin10010010010111111100100…
…11010110010011110111111
312021110102122010101012010121
421021133302122302132333
520233202313044123211
6221323414330115411
711321612306115352
oct1111376232623677
9167412563335117
1040235025770431
1111902640138a88
12461999887bb67
13195b1ba26138b
149d1558294299
1549b913112271
hex2497f26b27bf

40235025770431 has 16 divisors (see below), whose sum is σ = 42566141946240. Its totient is φ = 37975675177440.

The previous prime is 40235025770419. The next prime is 40235025770473. The reversal of 40235025770431 is 13407752053204.

It is a cyclic number.

It is not a de Polignac number, because 40235025770431 - 29 = 40235025769919 is a prime.

It is a super-2 number, since 2×402350257704312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40235025770831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78782421 + ... + 79291486.

It is an arithmetic number, because the mean of its divisors is an integer number (2660383871640).

Almost surely, 240235025770431 is an apocalyptic number.

40235025770431 is a deficient number, since it is larger than the sum of its proper divisors (2331116175809).

40235025770431 is a wasteful number, since it uses less digits than its factorization.

40235025770431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158074134.

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 40235025770431 in words is "forty trillion, two hundred thirty-five billion, twenty-five million, seven hundred seventy thousand, four hundred thirty-one".

Divisors: 1 29 67 131 1943 3799 8777 254533 158073907 4584143303 10590951769 20707681817 307137601301 600522772693 1387414681739 40235025770431