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40033152431 = 67635919437
BaseRepresentation
bin100101010010001010…
…010110110110101111
310211022222102212002022
4211102022112312233
51123441441334211
630220241220355
72615026116056
oct452212266657
9124288385068
1040033152431
1115a83741a48
1279130316bb
133a0cbbc39c
141d1ab5b39d
151094884bdb
hex952296daf

40033152431 has 4 divisors (see below), whose sum is σ = 40039078632. Its totient is φ = 40027226232.

The previous prime is 40033152427. The next prime is 40033152433. The reversal of 40033152431 is 13425133004.

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 40033152431 - 22 = 40033152427 is a prime.

It is a super-2 number, since 2×400331524312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40033152431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40033152433) 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, 2952956 + ... + 2966481.

It is an arithmetic number, because the mean of its divisors is an integer number (10009769658).

Almost surely, 240033152431 is an apocalyptic number.

40033152431 is a deficient number, since it is larger than the sum of its proper divisors (5926201).

40033152431 is an equidigital number, since it uses as much as digits as its factorization.

40033152431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5926200.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 40033152431 its reverse (13425133004), we get a palindrome (53458285435).

The spelling of 40033152431 in words is "forty billion, thirty-three million, one hundred fifty-two thousand, four hundred thirty-one".

Divisors: 1 6763 5919437 40033152431