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101010101111210 = 2510101010111121
BaseRepresentation
bin10110111101111000111111…
…001100100000100110101010
3111020122110201121202120101202
4112331320333030200212222
5101214422141341024320
6554455222211044202
730163511320004144
oct2675707714404652
9436573647676352
10101010101111210
112a204163827465
12b3b45265a0662
13444929a041465
141ad2cb49bbc94
15ba2787c17b75
hex5bde3f3209aa

101010101111210 has 8 divisors (see below), whose sum is σ = 181818182000196. Its totient is φ = 40404040444480.

The previous prime is 101010101111203. The next prime is 101010101111219. The reversal of 101010101111210 is 12111101010101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99483648274201 + 1526452837009 = 9974149^2 + 1235497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 101010101111191 and 101010101111200.

It is not an unprimeable number, because it can be changed into a prime (101010101111219) 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, 5050505055551 + ... + 5050505055570.

Almost surely, 2101010101111210 is an apocalyptic number.

101010101111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101010101111210 is a deficient number, since it is larger than the sum of its proper divisors (80808080888986).

101010101111210 is a wasteful number, since it uses less digits than its factorization.

101010101111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101010111128.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 101010101111210 its reverse (12111101010101), we get a palindrome (113121202121311).

The spelling of 101010101111210 in words is "one hundred one trillion, ten billion, one hundred one million, one hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 10 10101010111121 20202020222242 50505050555605 101010101111210