Search a number
-
+
4231421420140 = 2251984110663327
BaseRepresentation
bin111101100100110100010…
…111101110001001101100
3112222112001000220220200001
4331210310113232021230
51023311422340421030
612555515502114044
7614465365424035
oct75446427561154
915875030826601
104231421420140
111391599095892
125840b257b924
13249037b1b0b5
14108b32555a8c
1575107c2ecca
hex3d9345ee26c

4231421420140 has 24 divisors (see below), whose sum is σ = 8886433675392. Its totient is φ = 1692483102720.

The previous prime is 4231421420123. The next prime is 4231421420141. The reversal of 4231421420140 is 410241241324.

It is a super-3 number, since 3×42314214201403 (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 4231421420099 and 4231421420108.

It is not an unprimeable number, because it can be changed into a prime (4231421420141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4934844 + ... + 5728483.

It is an arithmetic number, because the mean of its divisors is an integer number (370268069808).

Almost surely, 24231421420140 is an apocalyptic number.

It is an amenable number.

4231421420140 is an abundant number, since it is smaller than the sum of its proper divisors (4655012255252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4231421420140 is a wasteful number, since it uses less digits than its factorization.

4231421420140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10683177 (or 10683175 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 4231421420140 its reverse (410241241324), we get a palindrome (4641662661464).

The spelling of 4231421420140 in words is "four trillion, two hundred thirty-one billion, four hundred twenty-one million, four hundred twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 19841 39682 79364 99205 198410 396820 10663327 21326654 42653308 53316635 106633270 213266540 211571071007 423142142014 846284284028 1057855355035 2115710710070 4231421420140