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342011422121 = 10918061173729
BaseRepresentation
bin1001111101000010111…
…10000010010110101001
31012200210100211101200012
410332201132002112221
521100414411001441
6421041243421305
733465235056515
oct4764136022651
91180710741605
10342011422121
11122056593576
125634ab24835
1326336827475
14127a68dd145
158d6aa629eb
hex4fa17825a9

342011422121 has 8 divisors (see below), whose sum is σ = 345170238600. Its totient is φ = 338852989440.

The previous prime is 342011422111. The next prime is 342011422141. The reversal of 342011422121 is 121224110243.

It can be written as a sum of positive squares in 4 ways, for example, as 56091290896 + 285920131225 = 236836^2 + 534715^2 .

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 342011422121 - 226 = 341944313257 is a prime.

It is a super-2 number, since 2×3420114221212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342011422111) 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, 1881785 + ... + 2055513.

It is an arithmetic number, because the mean of its divisors is an integer number (43146279825).

Almost surely, 2342011422121 is an apocalyptic number.

It is an amenable number.

342011422121 is a deficient number, since it is larger than the sum of its proper divisors (3158816479).

342011422121 is a wasteful number, since it uses less digits than its factorization.

342011422121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191899.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 342011422121 its reverse (121224110243), we get a palindrome (463235532364).

The spelling of 342011422121 in words is "three hundred forty-two billion, eleven million, four hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 109 18061 173729 1968649 18936461 3137719469 342011422121