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4011030221 = 11364639111
BaseRepresentation
bin1110111100010011…
…0111011011001101
3101100112110110001212
43233010313123031
531203310431341
61502002144205
7201253123442
oct35704673315
911315413055
104011030221
111779138410
1293b352065
134bbcb4183
142a09c59c9
151872035eb
hexef1376cd

4011030221 has 4 divisors (see below), whose sum is σ = 4375669344. Its totient is φ = 3646391100.

The previous prime is 4011030143. The next prime is 4011030227. The reversal of 4011030221 is 1220301104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4011030221 - 230 = 2937288397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4011030196 and 4011030205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011030227) 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, 182319545 + ... + 182319566.

It is an arithmetic number, because the mean of its divisors is an integer number (1093917336).

Almost surely, 24011030221 is an apocalyptic number.

It is an amenable number.

4011030221 is a deficient number, since it is larger than the sum of its proper divisors (364639123).

4011030221 is a wasteful number, since it uses less digits than its factorization.

4011030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364639122.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 4011030221 is about 63332.6947239733. The cubic root of 4011030221 is about 1588.8588281903.

Adding to 4011030221 its reverse (1220301104), we get a palindrome (5231331325).

The spelling of 4011030221 in words is "four billion, eleven million, thirty thousand, two hundred twenty-one".

Divisors: 1 11 364639111 4011030221