Search a number
-
+
4222305051421 = 30517138359113
BaseRepresentation
bin111101011100010100111…
…111100010001100011101
3112221122111200212101210011
4331130110333202030131
51023134240043121141
612551411122443221
7614023440524422
oct75342477421435
915848450771704
104222305051421
111388740143066
12582389503511
13248214215992
141085098cbd49
1574c72718881
hex3d714fe231d

4222305051421 has 4 divisors (see below), whose sum is σ = 4222443441052. Its totient is φ = 4222166661792.

The previous prime is 4222305051397. The next prime is 4222305051439. The reversal of 4222305051421 is 1241505032224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 472950545796 + 3749354505625 = 687714^2 + 1936325^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222305051421 - 25 = 4222305051389 is a prime.

It is a super-3 number, since 3×42223050514213 (a number of 39 digits) contains 333 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 (4222305051451) 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, 69149040 + ... + 69210073.

It is an arithmetic number, because the mean of its divisors is an integer number (1055610860263).

Almost surely, 24222305051421 is an apocalyptic number.

It is an amenable number.

4222305051421 is a deficient number, since it is larger than the sum of its proper divisors (138389631).

4222305051421 is a wasteful number, since it uses less digits than its factorization.

4222305051421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138389630.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 4222305051421 in words is "four trillion, two hundred twenty-two billion, three hundred five million, fifty-one thousand, four hundred twenty-one".

Divisors: 1 30517 138359113 4222305051421