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2135550240101 = 11304131889177
BaseRepresentation
bin11111000100111000101…
…101101010010101100101
321120011020011112111200002
4133010320231222111211
5234442101330140401
64313020325031045
7310200632351315
oct37047055522545
97504204474602
102135550240101
11753755489503
122a5a73555485
131264c6290335
147550b12d445
153a83d236a6b
hex1f138b6a565

2135550240101 has 4 divisors (see below), whose sum is σ = 2135553259692. Its totient is φ = 2135547220512.

The previous prime is 2135550240023. The next prime is 2135550240119. The reversal of 2135550240101 is 1010420555312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 378931349476 + 1756618890625 = 615574^2 + 1325375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2135550240101 - 222 = 2135546045797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135550240181) 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, 185825 + ... + 2075001.

It is an arithmetic number, because the mean of its divisors is an integer number (533888314923).

Almost surely, 22135550240101 is an apocalyptic number.

It is an amenable number.

2135550240101 is a deficient number, since it is larger than the sum of its proper divisors (3019591).

2135550240101 is a wasteful number, since it uses less digits than its factorization.

2135550240101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019590.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 2135550240101 its reverse (1010420555312), we get a palindrome (3145970795413).

The spelling of 2135550240101 in words is "two trillion, one hundred thirty-five billion, five hundred fifty million, two hundred forty thousand, one hundred one".

Divisors: 1 1130413 1889177 2135550240101