Search a number
-
+
20120211201102 = 234603728518039
BaseRepresentation
bin1001001001100100110100…
…00010101001110001001110
32122020110210010001020121020
410210302122002221301032
510114122143031413402
6110443033013215010
74144431406252635
oct444623202516116
978213703036536
1020120211201102
116457a2a765721
12230b522031466
13b2c43517786c
144d7b7566051c
1524d58d6598bc
hex124c9a0a9c4e

20120211201102 has 16 divisors (see below), whose sum is σ = 40249164673920. Its totient is φ = 6705280021752.

The previous prime is 20120211201089. The next prime is 20120211201127. The reversal of 20120211201102 is 20110211202102.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 364231402 + ... + 364286637.

It is an arithmetic number, because the mean of its divisors is an integer number (2515572792120).

Almost surely, 220120211201102 is an apocalyptic number.

20120211201102 is an abundant number, since it is smaller than the sum of its proper divisors (20128953472818).

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

20120211201102 is a wasteful number, since it uses less digits than its factorization.

20120211201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728522647.

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

Adding to 20120211201102 its reverse (20110211202102), we get a palindrome (40230422403204).

It can be divided in two parts, 2012021 and 1201102, that added together give a palindrome (3213123).

The spelling of 20120211201102 in words is "twenty trillion, one hundred twenty billion, two hundred eleven million, two hundred one thousand, one hundred two".

Divisors: 1 2 3 6 4603 9206 13809 27618 728518039 1457036078 2185554117 4371108234 3353368533517 6706737067034 10060105600551 20120211201102