Search a number
-
+
101011111011100 = 22521010111110111
BaseRepresentation
bin10110111101111001111011…
…011000111110001100011100
3111020122120100000001210121101
4112331321323120332030130
5101214431223404323400
6554455510324442444
730163545332006533
oct2675717330761434
9436576300053541
10101011111011100
112a2046318a2174
12b3b4768849424
1344493cb336764
141ad2d6cb8531a
15ba27e670256a
hex5bde7b63e31c

101011111011100 has 18 divisors (see below), whose sum is σ = 219194110894304. Its totient is φ = 40404444404400.

The previous prime is 101011111011077. The next prime is 101011111011113. The reversal of 101011111011100 is 1110111110101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505055554956 + ... + 505055555155.

Almost surely, 2101011111011100 is an apocalyptic number.

101011111011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101011111011100 is an abundant number, since it is smaller than the sum of its proper divisors (118182999883204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101011111011100 is a wasteful number, since it uses less digits than its factorization.

101011111011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010111110125 (or 1010111110118 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 101011111011100 its reverse (1110111110101), we get a palindrome (102121222121201).

Subtracting from 101011111011100 its reverse (1110111110101), we obtain a palindrome (99900999900999).

The spelling of 101011111011100 in words is "one hundred one trillion, eleven billion, one hundred eleven million, eleven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1010111110111 2020222220222 4040444440444 5050555550555 10101111101110 20202222202220 25252777752775 50505555505550 101011111011100