Search a number
-
+
1110123110243 = 71734192187827
BaseRepresentation
bin10000001001111000011…
…111100101111101100011
310221010102101111001100202
4100021320133211331203
5121142013004011433
62205552234535415
7143126612513330
oct20117037457543
93833371431322
101110123110243
11398889611604
1215b195b9756b
13808b813b234
143ba31b15987
151dd2457aee8
hex102787e5f63

1110123110243 has 16 divisors (see below), whose sum is σ = 1279091761920. Its totient is φ = 943775628576.

The previous prime is 1110123110219. The next prime is 1110123110263. The reversal of 1110123110243 is 3420113210111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1110123110243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1110123110263) 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, 586505 + ... + 1601322.

It is an arithmetic number, because the mean of its divisors is an integer number (79943235120).

Almost surely, 21110123110243 is an apocalyptic number.

1110123110243 is a deficient number, since it is larger than the sum of its proper divisors (168968651677).

1110123110243 is a wasteful number, since it uses less digits than its factorization.

1110123110243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188426.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1110123110243 its reverse (3420113210111), we get a palindrome (4530236320354).

The spelling of 1110123110243 in words is "one trillion, one hundred ten billion, one hundred twenty-three million, one hundred ten thousand, two hundred forty-three".

Divisors: 1 7 173 419 1211 2933 72487 507409 2187827 15314789 378494071 916699513 2649458497 6416896591 158589015749 1110123110243