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40053343031 = 1323133957669
BaseRepresentation
bin100101010011010111…
…011000001100110111
310211101101102122101022
4211103113120030313
51124012123434111
630222242051355
72615362540562
oct452327301467
9124341378338
1040053343031
1115a94082499
127919949b5b
133a1413b4a0
141d1d6d54d9
1510965222db
hex9535d8337

40053343031 has 8 divisors (see below), whose sum is σ = 45009777120. Its totient is φ = 35364824352.

The previous prime is 40053343007. The next prime is 40053343037. The reversal of 40053343031 is 13034335004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40053343031 - 218 = 40053080887 is a prime.

It is a super-2 number, since 2×400533430312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40053343037) 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 7 ways as a sum of consecutive naturals, for example, 66978536 + ... + 66979133.

It is an arithmetic number, because the mean of its divisors is an integer number (5626222140).

Almost surely, 240053343031 is an apocalyptic number.

40053343031 is a deficient number, since it is larger than the sum of its proper divisors (4956434089).

40053343031 is a wasteful number, since it uses less digits than its factorization.

40053343031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133957705.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 40053343031 its reverse (13034335004), we get a palindrome (53087678035).

The spelling of 40053343031 in words is "forty billion, fifty-three million, three hundred forty-three thousand, thirty-one".

Divisors: 1 13 23 299 133957669 1741449697 3081026387 40053343031