Search a number
-
+
101011101010100 = 22521010111010101
BaseRepresentation
bin10110111101111001111010…
…110010110100100010110100
3111020122120022022020200210222
4112331321322302310202310
5101214431213324310400
6554455505330233512
730163545151004231
oct2675717262644264
9436576268220728
10101011101010100
112a204627191286
12b3b4765425898
1344493c92445c8
141ad2d6b700788
15ba27e58c9185
hex5bde7acb48b4

101011101010100 has 18 divisors (see below), whose sum is σ = 219194089192134. Its totient is φ = 40404440404000.

The previous prime is 101011101010093. The next prime is 101011101010139. The reversal of 101011101010100 is 1010101110101.

It can be written as a sum of positive squares in 3 ways, for example, as 25164489682084 + 75846611328016 = 5016422^2 + 8708996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505055504951 + ... + 505055505150.

It is an arithmetic number, because the mean of its divisors is an integer number (12177449399563).

Almost surely, 2101011101010100 is an apocalyptic number.

101011101010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101011101010100 is an abundant number, since it is smaller than the sum of its proper divisors (118182988182034).

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

101011101010100 is a wasteful number, since it uses less digits than its factorization.

101011101010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010111010115 (or 1010111010108 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 101011101010100 its reverse (1010101110101), we get a palindrome (102021202120201).

The spelling of 101011101010100 in words is "one hundred one trillion, eleven billion, one hundred one million, ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1010111010101 2020222020202 4040444040404 5050555050505 10101110101010 20202220202020 25252775252525 50505550505050 101011101010100