Search a number
-
+
111311202201103 = 1015127109652489
BaseRepresentation
bin11001010011110010101000…
…101010101010111000001111
3112121010020200001211000100101
4121103302220222222320033
5104042210320230413403
61032423354345311531
732305653233366542
oct3123625052527017
9477106601730311
10111311202201103
11325158a7846923
1210598a344955a7
134a157a816b358
141d6b6c3192859
15cd06d6d1871d
hex653ca8aaae0f

111311202201103 has 4 divisors (see below), whose sum is σ = 111311312868720. Its totient is φ = 111311091533488.

The previous prime is 111311202201083. The next prime is 111311202201113. The reversal of 111311202201103 is 301102202113111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-111311202201103 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 (111311202201113) 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, 53811118 + ... + 55841371.

It is an arithmetic number, because the mean of its divisors is an integer number (27827828217180).

Almost surely, 2111311202201103 is an apocalyptic number.

111311202201103 is a deficient number, since it is larger than the sum of its proper divisors (110667617).

111311202201103 is a wasteful number, since it uses less digits than its factorization.

111311202201103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110667616.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 111311202201103 its reverse (301102202113111), we get a palindrome (412413404314214).

The spelling of 111311202201103 in words is "one hundred eleven trillion, three hundred eleven billion, two hundred two million, two hundred one thousand, one hundred three".

Divisors: 1 1015127 109652489 111311202201103