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2100321030 = 23570010701
BaseRepresentation
bin111110100110000…
…0101101100000110
312102101010100210210
41331030011230012
513300140233110
6544225100250
7103022301633
oct17514055406
95371110723
102100321030
11988638305
124a7487686
132761a1012
1415cd3118a
15c45cc520
hex7d305b06

2100321030 has 16 divisors (see below), whose sum is σ = 5040770544. Its totient is φ = 560085600.

The previous prime is 2100321029. The next prime is 2100321043. The reversal of 2100321030 is 301230012.

It is a happy number.

It is a super-2 number, since 2×21003210302 = 8822696858120521800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100320997 and 2100321015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35005321 + ... + 35005380.

It is an arithmetic number, because the mean of its divisors is an integer number (315048159).

Almost surely, 22100321030 is an apocalyptic number.

2100321030 is an abundant number, since it is smaller than the sum of its proper divisors (2940449514).

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

2100321030 is a wasteful number, since it uses less digits than its factorization.

2100321030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70010711.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2100321030 is about 45829.2595401671. The cubic root of 2100321030 is about 1280.6444163180.

Adding to 2100321030 its reverse (301230012), we get a palindrome (2401551042).

The spelling of 2100321030 in words is "two billion, one hundred million, three hundred twenty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 70010701 140021402 210032103 350053505 420064206 700107010 1050160515 2100321030