Search a number
-
+
20102202211101 = 3232831029456763
BaseRepresentation
bin1001001001000011010001…
…00111110011101100011101
32122011202022000221202121120
410210201220213303230131
510113323302231223401
6110430454010121153
74143223211335623
oct444415047635435
978152260852546
1020102202211101
1164503290a2a0a
122307b36a201b9
13b2a82511a36a
144d6d47973513
1524cd875c7836
hex1248689f3b1d

20102202211101 has 16 divisors (see below), whose sum is σ = 28067109213696. Its totient is φ = 12773499502896.

The previous prime is 20102202211043. The next prime is 20102202211109. The reversal of 20102202211101 is 10111220220102.

It is not a de Polignac number, because 20102202211101 - 27 = 20102202210973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102202211109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514708855 + ... + 514747908.

It is an arithmetic number, because the mean of its divisors is an integer number (1754194325856).

Almost surely, 220102202211101 is an apocalyptic number.

It is an amenable number.

20102202211101 is a deficient number, since it is larger than the sum of its proper divisors (7964907002595).

20102202211101 is a wasteful number, since it uses less digits than its factorization.

20102202211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029457072.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20102202211101 its reverse (10111220220102), we get a palindrome (30213422431203).

The spelling of 20102202211101 in words is "twenty trillion, one hundred two billion, two hundred two million, two hundred eleven thousand, one hundred one".

Divisors: 1 3 23 69 283 849 6509 19527 1029456763 3088370289 23677505549 71032516647 291336263929 874008791787 6700734070367 20102202211101