Search a number
-
+
1010120243 = 1191829113
BaseRepresentation
bin111100001101010…
…011011000110011
32121101201102110212
4330031103120303
54032042321433
6244122214335
734013610656
oct7415233063
92541642425
101010120243
11479206320
122423543ab
131313716b2
149822389d
155da2ed48
hex3c353633

1010120243 has 4 divisors (see below), whose sum is σ = 1101949368. Its totient is φ = 918291120.

The previous prime is 1010120231. The next prime is 1010120261. The reversal of 1010120243 is 3420210101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010120243 - 210 = 1010119219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010120273) 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, 45914546 + ... + 45914567.

It is an arithmetic number, because the mean of its divisors is an integer number (275487342).

Almost surely, 21010120243 is an apocalyptic number.

1010120243 is a deficient number, since it is larger than the sum of its proper divisors (91829125).

1010120243 is an equidigital number, since it uses as much as digits as its factorization.

1010120243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91829124.

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

The square root of 1010120243 is about 31782.3888812657. The cubic root of 1010120243 is about 1003.3620979626.

Adding to 1010120243 its reverse (3420210101), we get a palindrome (4430330344).

The spelling of 1010120243 in words is "one billion, ten million, one hundred twenty thousand, two hundred forty-three".

Divisors: 1 11 91829113 1010120243