Search a number
-
+
20201211102112 = 25774181551201
BaseRepresentation
bin1001001011111011101100…
…00000110000001110100000
32122112012212010122112220221
410211331312000300032200
510121434040020231422
6110544150330212424
74153326562123555
oct445756600601640
978465763575827
1020201211102112
116489316028177
122323168884114
13b36c734b3781
144dba5b11ca2c
1525072e7da3c7
hex125f760303a0

20201211102112 has 24 divisors (see below), whose sum is σ = 39776272570692. Its totient is φ = 10099300608000.

The previous prime is 20201211102109. The next prime is 20201211102199. The reversal of 20201211102112 is 21120111210202.

It can be written as a sum of positive squares in 2 ways, for example, as 19037479334416 + 1163731767696 = 4363196^2 + 1078764^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40527889 + ... + 41023312.

Almost surely, 220201211102112 is an apocalyptic number.

It is an amenable number.

20201211102112 is a deficient number, since it is larger than the sum of its proper divisors (19575061468580).

20201211102112 is an equidigital number, since it uses as much as digits as its factorization.

20201211102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81558952 (or 81558944 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20201211102112 its reverse (21120111210202), we get a palindrome (41321322312314).

The spelling of 20201211102112 in words is "twenty trillion, two hundred one billion, two hundred eleven million, one hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 7741 15482 30964 61928 123856 247712 81551201 163102402 326204804 652409608 1304819216 2609638432 631287846941 1262575693882 2525151387764 5050302775528 10100605551056 20201211102112