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40242111230431 = 114917450863031
BaseRepresentation
bin10010010011001100110001…
…01111101011000111011111
312021111002220220220212000001
421021212120233223013133
520233311320433333211
6221330545400115131
711322253013411215
oct1111463057530737
9167432826825001
1040242111230431
1111905646752a50
12461b235765aa7
13195ba79189966
149d1a2b2d8cb5
1549bbca1acac1
hex249998beb1df

40242111230431 has 8 divisors (see below), whose sum is σ = 43989895340928. Its totient is φ = 36509228847000.

The previous prime is 40242111230371. The next prime is 40242111230479. The reversal of 40242111230431 is 13403211124204.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40242111230431 - 27 = 40242111230303 is a prime.

It is a super-2 number, since 2×402421112304312 (a number of 28 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 40242111230431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40242111230131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3725426115 + ... + 3725436916.

It is an arithmetic number, because the mean of its divisors is an integer number (5498736917616).

Almost surely, 240242111230431 is an apocalyptic number.

40242111230431 is a deficient number, since it is larger than the sum of its proper divisors (3747784110497).

40242111230431 is a wasteful number, since it uses less digits than its factorization.

40242111230431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7450863533.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 40242111230431 its reverse (13403211124204), we get a palindrome (53645322354635).

The spelling of 40242111230431 in words is "forty trillion, two hundred forty-two billion, one hundred eleven million, two hundred thirty thousand, four hundred thirty-one".

Divisors: 1 11 491 5401 7450863031 81959493341 3658373748221 40242111230431