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40242212011021 = 743318171702291
BaseRepresentation
bin10010010011001100111101…
…10000000111110000001101
312021111010011221120000222111
421021212132300013300031
520233312022233323041
6221331003400144021
711322255346134166
oct1111463660076015
9167433157500874
1040242212011021
1111905698627999
12461b263468011
13195ba94014847
149d1a3a85076d
1549bbd3e68981
hex24999ec07c0d

40242212011021 has 8 divisors (see below), whose sum is σ = 40297663980864. Its totient is φ = 40186763510880.

The previous prime is 40242212010977. The next prime is 40242212011037. The reversal of 40242212011021 is 12011021224204.

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 40242212011021 - 219 = 40242211486733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40242212010983 and 40242212011001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40242212011061) 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, 22788886 + ... + 24491176.

It is an arithmetic number, because the mean of its divisors is an integer number (5037207997608).

Almost surely, 240242212011021 is an apocalyptic number.

It is an amenable number.

40242212011021 is a deficient number, since it is larger than the sum of its proper divisors (55451969843).

40242212011021 is a wasteful number, since it uses less digits than its factorization.

40242212011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734851.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 40242212011021 its reverse (12011021224204), we get a palindrome (52253233235225).

The spelling of 40242212011021 in words is "forty trillion, two hundred forty-two billion, two hundred twelve million, eleven thousand, twenty-one".

Divisors: 1 743 31817 1702291 23640031 1264802213 54161792747 40242212011021