Search a number
-
+
20102102001102 = 23113029310054379
BaseRepresentation
bin1001001001000011000101…
…01001100010010111001110
32122011202001001101120100010
410210201202221202113032
510113323101103013402
6110430440030214050
74143220553510322
oct444414251422716
978152031346303
1020102102001102
116450287578730
122307b09354326
13b2a80a4320c4
144d6d38529982
1524cd7d8d0a6c
hex124862a625ce

20102102001102 has 32 divisors (see below), whose sum is σ = 43860583831680. Its totient is φ = 6091344367520.

The previous prime is 20102102001061. The next prime is 20102102001103. The reversal of 20102102001102 is 20110020120102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102102001103) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3027852 + ... + 7026527.

It is an arithmetic number, because the mean of its divisors is an integer number (1370643244740).

Almost surely, 220102102001102 is an apocalyptic number.

20102102001102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20102102001102 is an abundant number, since it is smaller than the sum of its proper divisors (23758481830578).

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

20102102001102 is a wasteful number, since it uses less digits than its factorization.

20102102001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10084688.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20102102001102 its reverse (20110020120102), we get a palindrome (40212122121204).

The spelling of 20102102001102 in words is "twenty trillion, one hundred two billion, one hundred two million, one thousand, one hundred two".

Divisors: 1 2 3 6 11 22 33 66 30293 60586 90879 181758 333223 666446 999669 1999338 10054379 20108758 30163137 60326274 110598169 221196338 331794507 663589014 304577303047 609154606094 913731909141 1827463818282 3350350333517 6700700667034 10051051000551 20102102001102