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40541993107 = 711432284759
BaseRepresentation
bin100101110000011111…
…011011100010010011
310212122102220122021021
4211300133123202103
51131012222234412
630342535340311
72633445153430
oct456037334223
9125572818237
1040541993107
1116214997530
127a35521697
133a9144b445
141d68574b87
1510c4397607
hex9707db893

40541993107 has 24 divisors (see below), whose sum is σ = 51748865280. Its totient is φ = 30856376880.

The previous prime is 40541993081. The next prime is 40541993111. The reversal of 40541993107 is 70139914504.

It is not a de Polignac number, because 40541993107 - 211 = 40541991059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (40541993117) 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 23 ways as a sum of consecutive naturals, for example, 7 + ... + 284752.

It is an arithmetic number, because the mean of its divisors is an integer number (2156202720).

Almost surely, 240541993107 is an apocalyptic number.

40541993107 is a deficient number, since it is larger than the sum of its proper divisors (11206872173).

40541993107 is a wasteful number, since it uses less digits than its factorization.

40541993107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284863 (or 284820 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 40541993107 in words is "forty billion, five hundred forty-one million, nine hundred ninety-three thousand, one hundred seven".

Divisors: 1 7 11 43 77 301 473 1849 3311 12943 20339 142373 284759 1993313 3132349 12244637 21926443 85712459 134691007 526519391 942837049 3685635737 5791713301 40541993107