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4142828308081 = 22913918079979
BaseRepresentation
bin111100010010010011110…
…011110100011001110001
3112200001100211100111222111
4330102103303310121301
51020334003021324311
612451104500205321
7605211101411431
oct74222363643161
915601324314874
104142828308081
111357a66638501
1256aaa8999841
132408896197b8
1410472a4402c1
1572b70158d21
hex3c493cf4671

4142828308081 has 4 divisors (see below), whose sum is σ = 4142846617200. Its totient is φ = 4142809998964.

The previous prime is 4142828308079. The next prime is 4142828308111. The reversal of 4142828308081 is 1808038282414.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4142828308081 - 21 = 4142828308079 is a prime.

It is a super-2 number, since 2×41428283080812 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4142828308051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8810851 + ... + 9269128.

It is an arithmetic number, because the mean of its divisors is an integer number (1035711654300).

Almost surely, 24142828308081 is an apocalyptic number.

It is an amenable number.

4142828308081 is a deficient number, since it is larger than the sum of its proper divisors (18309119).

4142828308081 is a wasteful number, since it uses less digits than its factorization.

4142828308081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18309118.

The product of its (nonzero) digits is 786432, while the sum is 49.

The spelling of 4142828308081 in words is "four trillion, one hundred forty-two billion, eight hundred twenty-eight million, three hundred eight thousand, eighty-one".

Divisors: 1 229139 18079979 4142828308081