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34100050421 = 180971884293
BaseRepresentation
bin11111110000100001…
…010111100111110101
310021000111021001012102
4133300201113213311
51024314103103141
623355414231445
72315013434423
oct376041274765
9107014231172
1034100050421
1113509653658
126738055585
1332a5947238
141916ba4113
15d48a6399b
hex7f08579f5

34100050421 has 4 divisors (see below), whose sum is σ = 34101952812. Its totient is φ = 34098148032.

The previous prime is 34100050417. The next prime is 34100050441. The reversal of 34100050421 is 12405000143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12405000143 = 78715762389.

It can be written as a sum of positive squares in 2 ways, for example, as 8528522500 + 25571527921 = 92350^2 + 159911^2 .

It is a cyclic number.

It is not a de Polignac number, because 34100050421 - 22 = 34100050417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34100050393 and 34100050402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34100050441) 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, 924050 + ... + 960243.

It is an arithmetic number, because the mean of its divisors is an integer number (8525488203).

Almost surely, 234100050421 is an apocalyptic number.

It is an amenable number.

34100050421 is a deficient number, since it is larger than the sum of its proper divisors (1902391).

34100050421 is a wasteful number, since it uses less digits than its factorization.

34100050421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902390.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 34100050421 its reverse (12405000143), we get a palindrome (46505050564).

The spelling of 34100050421 in words is "thirty-four billion, one hundred million, fifty thousand, four hundred twenty-one".

Divisors: 1 18097 1884293 34100050421