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40375912305 = 3517883179317
BaseRepresentation
bin100101100110100101…
…111000011101110001
310212012212101212020110
4211212211320131301
51130142213143210
630314243531533
72626360410021
oct454645703561
9125185355213
1040375912305
111613a171573
1279a9989ba9
133a65c0bc91
141d504a1a81
1510b49dd420
hex966978771

40375912305 has 32 divisors (see below), whose sum is σ = 68479392384. Its totient is φ = 20244059136.

The previous prime is 40375912303. The next prime is 40375912307. The reversal of 40375912305 is 50321957304.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40375912303) and next prime (40375912307).

It is not a de Polignac number, because 40375912305 - 21 = 40375912303 is a prime.

It is a super-2 number, since 2×403759123052 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40375912303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135507 + ... + 314823.

It is an arithmetic number, because the mean of its divisors is an integer number (2139981012).

Almost surely, 240375912305 is an apocalyptic number.

It is an amenable number.

40375912305 is a deficient number, since it is larger than the sum of its proper divisors (28103480079).

40375912305 is a wasteful number, since it uses less digits than its factorization.

40375912305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180225.

The product of its (nonzero) digits is 113400, while the sum is 39.

The spelling of 40375912305 in words is "forty billion, three hundred seventy-five million, nine hundred twelve thousand, three hundred five".

Divisors: 1 3 5 15 17 51 85 255 883 2649 4415 13245 15011 45033 75055 179317 225165 537951 896585 2689755 3048389 9145167 15241945 45725835 158336911 475010733 791684555 2375053665 2691727487 8075182461 13458637435 40375912305