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2312200002020 = 225115610000101
BaseRepresentation
bin100001101001011001110…
…111000001100111100100
322012001012012020012020212
4201221121313001213210
5300340341200031040
64530113210314552
7326023320510416
oct41513167014744
98161165205225
102312200002020
11811664693187
12314153128a58
1313a068ab298c
147dca7dd29b6
154022b766d65
hex21a59dc19e4

2312200002020 has 12 divisors (see below), whose sum is σ = 4855620004284. Its totient is φ = 924880000800.

The previous prime is 2312200001983. The next prime is 2312200002061. The reversal of 2312200002020 is 202000022132.

It can be written as a sum of positive squares in 2 ways, for example, as 282709143616 + 2029490858404 = 531704^2 + 1424602^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2312200001986 and 2312200002004.

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, 57805000031 + ... + 57805000070.

It is an arithmetic number, because the mean of its divisors is an integer number (404635000357).

Almost surely, 22312200002020 is an apocalyptic number.

2312200002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312200002020 is an abundant number, since it is smaller than the sum of its proper divisors (2543420002264).

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

2312200002020 is a wasteful number, since it uses less digits than its factorization.

2312200002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115610000110 (or 115610000108 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 2312200002020 its reverse (202000022132), we get a palindrome (2514200024152).

The spelling of 2312200002020 in words is "two trillion, three hundred twelve billion, two hundred million, two thousand, twenty".

Divisors: 1 2 4 5 10 20 115610000101 231220000202 462440000404 578050000505 1156100001010 2312200002020