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40357236043 = 87491461273
BaseRepresentation
bin100101100101011110…
…101000110101001011
310212011120021000020001
4211211132220311023
51130122423023133
630312335343431
72626042563205
oct454536506513
9125146230201
1040357236043
111612a675843
1279a3681b77
133a620a0237
141d4bbdd775
1510b304e87d
hex9657a8d4b

40357236043 has 4 divisors (see below), whose sum is σ = 40357784808. Its totient is φ = 40356687280.

The previous prime is 40357236011. The next prime is 40357236067. The reversal of 40357236043 is 34063275304.

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

It is a cyclic number.

It is not a de Polignac number, because 40357236043 - 25 = 40357236011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40357235993 and 40357236011.

It is not an unprimeable number, because it can be changed into a prime (40357236443) 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 3 ways as a sum of consecutive naturals, for example, 143146 + ... + 318127.

It is an arithmetic number, because the mean of its divisors is an integer number (10089446202).

Almost surely, 240357236043 is an apocalyptic number.

40357236043 is a deficient number, since it is larger than the sum of its proper divisors (548765).

40357236043 is an equidigital number, since it uses as much as digits as its factorization.

40357236043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548764.

The product of its (nonzero) digits is 181440, while the sum is 37.

The spelling of 40357236043 in words is "forty billion, three hundred fifty-seven million, two hundred thirty-six thousand, forty-three".

Divisors: 1 87491 461273 40357236043