Search a number
-
+
201402421230 = 23523577505871
BaseRepresentation
bin1011101110010010000…
…1010000111111101110
3201020212002012001202110
42323210201100333232
511244433004434410
6232304544504450
720356640222433
oct2734441207756
9636762161673
10201402421230
117846146400a
123304931b126
1315cb8a37a1a
149a68463b8a
15538b646720
hex2ee4850fee

201402421230 has 64 divisors (see below), whose sum is σ = 505256859648. Its totient is φ = 51283077120.

The previous prime is 201402421183. The next prime is 201402421243. The reversal of 201402421230 is 32124204102.

It is a junction number, because it is equal to n+sod(n) for n = 201402421197 and 201402421206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145195 + ... + 651065.

It is an arithmetic number, because the mean of its divisors is an integer number (7894638432).

Almost surely, 2201402421230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201402421230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252628429824).

201402421230 is an abundant number, since it is smaller than the sum of its proper divisors (303854438418).

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

201402421230 is a wasteful number, since it uses less digits than its factorization.

201402421230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506481.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 201402421230 its reverse (32124204102), we get a palindrome (233526625332).

The spelling of 201402421230 in words is "two hundred one billion, four hundred two million, four hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 577 690 1154 1731 2885 3462 5770 8655 13271 17310 26542 39813 66355 79626 132710 199065 398130 505871 1011742 1517613 2529355 3035226 5058710 7588065 11635033 15176130 23270066 34905099 58175165 69810198 116350330 174525495 291887567 349050990 583775134 875662701 1459437835 1751325402 2918875670 4378313505 6713414041 8756627010 13426828082 20140242123 33567070205 40280484246 67134140410 100701210615 201402421230