Search a number
-
+
2100211022252 = 227478715669007
BaseRepresentation
bin11110100011111110010…
…101001111100110101100
321102210000022120020022202
4132203332111033212230
5233402213010203002
64244453523001032
7304510121065550
oct36437625174654
97383008506282
102100211022252
1173a770408042
1229b050509178
131230839ba045
1473917961860
15399709ec502
hex1e8fe54f9ac

2100211022252 has 24 divisors (see below), whose sum is σ = 4201299777024. Its totient is φ = 899902352592.

The previous prime is 2100211022251. The next prime is 2100211022303. The reversal of 2100211022252 is 2522201120012.

It is not an unprimeable number, because it can be changed into a prime (2100211022251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7700468 + ... + 7968539.

It is an arithmetic number, because the mean of its divisors is an integer number (175054157376).

Almost surely, 22100211022252 is an apocalyptic number.

It is an amenable number.

2100211022252 is an abundant number, since it is smaller than the sum of its proper divisors (2101088754772).

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

2100211022252 is a wasteful number, since it uses less digits than its factorization.

2100211022252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15673805 (or 15673803 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 2100211022252 its reverse (2522201120012), we get a palindrome (4622412142264).

The spelling of 2100211022252 in words is "two trillion, one hundred billion, two hundred eleven million, twenty-two thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 4787 9574 19148 33509 67018 134036 15669007 31338014 62676028 109683049 219366098 438732196 75007536509 150015073018 300030146036 525052755563 1050105511126 2100211022252