Search a number
-
+
1154311023145 = 57223147893789
BaseRepresentation
bin10000110011000010010…
…011000110101000101001
311002100110220211121100111
4100303002103012220221
5122403012110220040
62242141055134321
7146252621543620
oct20630223065051
94070426747314
101154311023145
114055a4530595
121678685143a1
1384b0aa26967
143dc245906b7
152005da55dea
hex10cc24c6a29

1154311023145 has 16 divisors (see below), whose sum is σ = 1590154030080. Its totient is φ = 787978102464.

The previous prime is 1154311023139. The next prime is 1154311023149. The reversal of 1154311023145 is 5413201134511.

It is a happy number.

It is not a de Polignac number, because 1154311023145 - 213 = 1154311014953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1154311023149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73939090 + ... + 73954699.

It is an arithmetic number, because the mean of its divisors is an integer number (99384626880).

Almost surely, 21154311023145 is an apocalyptic number.

It is an amenable number.

1154311023145 is a deficient number, since it is larger than the sum of its proper divisors (435843006935).

1154311023145 is a wasteful number, since it uses less digits than its factorization.

1154311023145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147894024.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 1154311023145 its reverse (5413201134511), we get a palindrome (6567512157656).

The spelling of 1154311023145 in words is "one trillion, one hundred fifty-four billion, three hundred eleven million, twenty-three thousand, one hundred forty-five".

Divisors: 1 5 7 35 223 1115 1561 7805 147893789 739468945 1035256523 5176282615 32980314947 164901574735 230862204629 1154311023145