Search a number
-
+
1130123141 = 7161446163
BaseRepresentation
bin100001101011100…
…0100111110000101
32220202112012111122
41003113010332011
54303302420031
6304050243325
740001613440
oct10327047605
92822465448
101130123141
1152aa1a274
12276586545
13150199a24
14aa140657
156933647b
hex435c4f85

1130123141 has 4 divisors (see below), whose sum is σ = 1291569312. Its totient is φ = 968676972.

The previous prime is 1130123087. The next prime is 1130123167. The reversal of 1130123141 is 1413210311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1413210311 = 10713207573.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1130123141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130123171) 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, 80723075 + ... + 80723088.

It is an arithmetic number, because the mean of its divisors is an integer number (322892328).

Almost surely, 21130123141 is an apocalyptic number.

It is an amenable number.

1130123141 is a deficient number, since it is larger than the sum of its proper divisors (161446171).

1130123141 is an equidigital number, since it uses as much as digits as its factorization.

1130123141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161446170.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1130123141 is about 33617.3041899555. The cubic root of 1130123141 is about 1041.6182711112.

Adding to 1130123141 its reverse (1413210311), we get a palindrome (2543333452).

The spelling of 1130123141 in words is "one billion, one hundred thirty million, one hundred twenty-three thousand, one hundred forty-one".

Divisors: 1 7 161446163 1130123141