Search a number
-
+
1131230455045 = 51491518430141
BaseRepresentation
bin10000011101100010100…
…101101110010100000101
311000010220101200021002221
4100131202211232110011
5122013224444030140
62223402522332341
7144504642133615
oct20354245562405
94003811607087
101131230455045
113a6830112119
121632a695a0b1
13828a0068982
143ca750cca45
151e65c62e14a
hex1076296e505

1131230455045 has 8 divisors (see below), whose sum is σ = 1366587127800. Its totient is φ = 898910642880.

The previous prime is 1131230455027. The next prime is 1131230455051. The reversal of 1131230455045 is 5405540321311.

It can be written as a sum of positive squares in 4 ways, for example, as 4545860929 + 1126684594116 = 67423^2 + 1061454^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1131230455045 - 25 = 1131230455013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131230455045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759214326 + ... + 759215815.

It is an arithmetic number, because the mean of its divisors is an integer number (170823390975).

Almost surely, 21131230455045 is an apocalyptic number.

It is an amenable number.

1131230455045 is a deficient number, since it is larger than the sum of its proper divisors (235356672755).

1131230455045 is a wasteful number, since it uses less digits than its factorization.

1131230455045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518430295.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 1131230455045 its reverse (5405540321311), we get a palindrome (6536770776356).

The spelling of 1131230455045 in words is "one trillion, one hundred thirty-one billion, two hundred thirty million, four hundred fifty-five thousand, forty-five".

Divisors: 1 5 149 745 1518430141 7592150705 226246091009 1131230455045