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4213145244 = 223721123127223
BaseRepresentation
bin1111101100011111…
…0111111010011100
3101212121202221202110
43323013313322130
532112031121434
61534022154020
7206256100200
oct37307677234
911777687673
104213145244
111872235420
12996b82910
13521b2c069
142bd798b00
15199d294e9
hexfb1f7e9c

4213145244 has 288 divisors, whose sum is σ = 13179027456. Its totient is φ = 1033845120.

The previous prime is 4213145227. The next prime is 4213145257. The reversal of 4213145244 is 4425413124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18892917 + ... + 18893139.

It is an arithmetic number, because the mean of its divisors is an integer number (45760512).

Almost surely, 24213145244 is an apocalyptic number.

4213145244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4213145244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6589513728).

4213145244 is an abundant number, since it is smaller than the sum of its proper divisors (8965882212).

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

4213145244 is a wasteful number, since it uses less digits than its factorization.

4213145244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 396 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 4213145244 is about 64908.7455124500. The cubic root of 4213145244 is about 1615.1101400665.

Adding to 4213145244 its reverse (4425413124), we get a palindrome (8638558368).

The spelling of 4213145244 in words is "four billion, two hundred thirteen million, one hundred forty-five thousand, two hundred forty-four".