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40930395957 = 3311137812781
BaseRepresentation
bin100110000111101001…
…000100011100110101
310220122111202112211000
4212013221010130311
51132311140132312
630445252233513
72646202424313
oct460751043465
9126574675730
1040930395957
11163a4161320
127b2360b899
133b23a5c209
141da3d9b0b3
1510e8519adc
hex987a44735

40930395957 has 16 divisors (see below), whose sum is σ = 66150135360. Its totient is φ = 24806300400.

The previous prime is 40930395953. The next prime is 40930395991. The reversal of 40930395957 is 75959303904.

It is a happy number.

40930395957 is a `hidden beast` number, since 40 + 9 + 3 + 0 + 3 + 9 + 595 + 7 = 666.

It is not a de Polignac number, because 40930395957 - 22 = 40930395953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40930395953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68906094 + ... + 68906687.

It is an arithmetic number, because the mean of its divisors is an integer number (4134383460).

Almost surely, 240930395957 is an apocalyptic number.

It is an amenable number.

40930395957 is a deficient number, since it is larger than the sum of its proper divisors (25219739403).

40930395957 is a wasteful number, since it uses less digits than its factorization.

40930395957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137812801 (or 137812795 counting only the distinct ones).

The product of its (nonzero) digits is 4592700, while the sum is 54.

The spelling of 40930395957 in words is "forty billion, nine hundred thirty million, three hundred ninety-five thousand, nine hundred fifty-seven".

Divisors: 1 3 9 11 27 33 99 297 137812781 413438343 1240315029 1515940591 3720945087 4547821773 13643465319 40930395957