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51542334404101 = 157541606830173
BaseRepresentation
bin10111011100000101000101…
…00010000111011000000101
320202111101202220102221210001
423232002202202013120011
523223432200101412401
6301342115504201301
713566545044512262
oct1356024242073005
9222441686387701
1051542334404101
1115471a88079902
1259452bb609231
13229b56271b728
14ca293b4a8269
155e5b0390b601
hex2ee0a2887605

51542334404101 has 8 divisors (see below), whose sum is σ = 51966508780664. Its totient is φ = 51119373689280.

The previous prime is 51542334404069. The next prime is 51542334404131. The reversal of 51542334404101 is 10140443324515.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2727868443876 + 48814465960225 = 1651626^2 + 6986735^2 .

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 51542334404101 - 25 = 51542334404069 is a prime.

It is a super-2 number, since 2×515423344041012 (a number of 28 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 (51542334404131) 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, 303330150 + ... + 303500023.

It is an arithmetic number, because the mean of its divisors is an integer number (6495813597583).

Almost surely, 251542334404101 is an apocalyptic number.

It is an amenable number.

51542334404101 is a deficient number, since it is larger than the sum of its proper divisors (424174376563).

51542334404101 is a wasteful number, since it uses less digits than its factorization.

51542334404101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606830871.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 51542334404101 its reverse (10140443324515), we get a palindrome (61682777728616).

The spelling of 51542334404101 in words is "fifty-one trillion, five hundred forty-two billion, three hundred thirty-four million, four hundred four thousand, one hundred one".

Divisors: 1 157 541 84937 606830173 95272337161 328295123593 51542334404101