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2163321430 = 25216332143
BaseRepresentation
bin1000000011110001…
…1010101001010110
312120202200010002221
42000330122221112
513412302241210
6554355252554
7104415633364
oct20074325126
95522603087
102163321430
11a10158456
125045aa15a
1328625b86a
14167450634
15c9dc41da
hex80f1aa56

2163321430 has 8 divisors (see below), whose sum is σ = 3893978592. Its totient is φ = 865328568.

The previous prime is 2163321397. The next prime is 2163321431. The reversal of 2163321430 is 341233612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2163321395 and 2163321404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163321431) 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, 108166062 + ... + 108166081.

It is an arithmetic number, because the mean of its divisors is an integer number (486747324).

Almost surely, 22163321430 is an apocalyptic number.

2163321430 is a deficient number, since it is larger than the sum of its proper divisors (1730657162).

2163321430 is a wasteful number, since it uses less digits than its factorization.

2163321430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216332150.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 2163321430 is about 46511.5193258616. The cubic root of 2163321430 is about 1293.3230491412.

The spelling of 2163321430 in words is "two billion, one hundred sixty-three million, three hundred twenty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 216332143 432664286 1081660715 2163321430