Search a number
-
+
1422320143430 = 251721757384547
BaseRepresentation
bin10100101100101000111…
…000110000110001000110
312000222020221021120011202
4110230220320300301012
5141300402424042210
63005223240502502
7204521263512344
oct24545070606106
95028227246152
101422320143430
114a922570641a
121ab7a417aa32
13a417cb8a434
144cbaaac4994
1526ee792a9a5
hex14b28e30c46

1422320143430 has 32 divisors (see below), whose sum is σ = 2710906504416. Its totient is φ = 535435697664.

The previous prime is 1422320143421. The next prime is 1422320143463. The reversal of 1422320143430 is 343410232241.

It is a junction number, because it is equal to n+sod(n) for n = 1422320143393 and 1422320143402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3506417 + ... + 3890963.

It is an arithmetic number, because the mean of its divisors is an integer number (84715828263).

Almost surely, 21422320143430 is an apocalyptic number.

1422320143430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1422320143430 is a deficient number, since it is larger than the sum of its proper divisors (1288586360986).

1422320143430 is a wasteful number, since it uses less digits than its factorization.

1422320143430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406328.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1422320143430 its reverse (343410232241), we get a palindrome (1765730375671).

The spelling of 1422320143430 in words is "one trillion, four hundred twenty-two billion, three hundred twenty million, one hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 21757 43514 108785 217570 369869 384547 739738 769094 1849345 1922735 3698690 3845470 6537299 13074598 32686495 65372990 8366589079 16733178158 41832945395 83665890790 142232014343 284464028686 711160071715 1422320143430