Search a number
-
+
1011222041 = 7912800279
BaseRepresentation
bin111100010001100…
…000011000011001
32121110210101212012
4330101200120121
54032333101131
6244201555305
734026150134
oct7421403031
92543711765
101011222041
114798990a5
122427a5b35
1313166904b
149842d21b
155db9b52b
hex3c460619

1011222041 has 4 divisors (see below), whose sum is σ = 1024022400. Its totient is φ = 998421684.

The previous prime is 1011222031. The next prime is 1011222131. The reversal of 1011222041 is 1402221101.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 1011222041 - 222 = 1007027737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011222001) 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, 6400061 + ... + 6400218.

It is an arithmetic number, because the mean of its divisors is an integer number (256005600).

Almost surely, 21011222041 is an apocalyptic number.

It is an amenable number.

1011222041 is a deficient number, since it is larger than the sum of its proper divisors (12800359).

1011222041 is an equidigital number, since it uses as much as digits as its factorization.

1011222041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12800358.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1011222041 is about 31799.7176245325. The cubic root of 1011222041 is about 1003.7267742336.

Adding to 1011222041 its reverse (1402221101), we get a palindrome (2413443142).

The spelling of 1011222041 in words is "one billion, eleven million, two hundred twenty-two thousand, forty-one".

Divisors: 1 79 12800279 1011222041