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101012200220 = 2255050610011
BaseRepresentation
bin101111000010011001…
…0111101101100011100
3100122201201021102220202
41132010302331230130
53123333110401340
6114223202003032
710204114351361
oct1360462755434
9318651242822
10101012200220
1139925832108
12176b0946478
1396aa42ba99
144c63666468
15296302ac15
hex1784cbdb1c

101012200220 has 12 divisors (see below), whose sum is σ = 212125620504. Its totient is φ = 40404880080.

The previous prime is 101012200213. The next prime is 101012200231. The reversal of 101012200220 is 22002210101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525304986 + ... + 2525305025.

It is an arithmetic number, because the mean of its divisors is an integer number (17677135042).

Almost surely, 2101012200220 is an apocalyptic number.

101012200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101012200220 is an abundant number, since it is smaller than the sum of its proper divisors (111113420284).

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

101012200220 is a wasteful number, since it uses less digits than its factorization.

101012200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050610020 (or 5050610018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 101012200220 its reverse (22002210101), we get a palindrome (123014410321).

The spelling of 101012200220 in words is "one hundred one billion, twelve million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5050610011 10101220022 20202440044 25253050055 50506100110 101012200220