Search a number
-
+
121010201202010 = 25172924545679757
BaseRepresentation
bin11011100000111011100010…
…000011101000110101011010
3120212110110110222120012211011
4123200323202003220311122
5111330112343001431020
61105211152522324134
734326461410550011
oct3340734203506532
9525413428505734
10121010201202010
113561515793816a
12116a470765964a
13526a29cc9b103
1421c4cd4251a78
15decb4677035a
hex6e0ee20e8d5a

121010201202010 has 32 divisors (see below), whose sum is σ = 238584007247760. Its totient is φ = 43985858122752.

The previous prime is 121010201201983. The next prime is 121010201202083. The reversal of 121010201202010 is 10202102010121.

It can be written as a sum of positive squares in 8 ways, for example, as 30825492389041 + 90184708812969 = 5552071^2 + 9496563^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12272834949 + ... + 12272844808.

Almost surely, 2121010201202010 is an apocalyptic number.

121010201202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121010201202010 is a deficient number, since it is larger than the sum of its proper divisors (117573806045750).

121010201202010 is a wasteful number, since it uses less digits than its factorization.

121010201202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24545679810.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121010201202010 its reverse (10202102010121), we get a palindrome (131212303212131).

The spelling of 121010201202010 in words is "one hundred twenty-one trillion, ten billion, two hundred one million, two hundred two thousand, ten".

Divisors: 1 2 5 10 17 29 34 58 85 145 170 290 493 986 2465 4930 24545679757 49091359514 122728398785 245456797570 417276555869 711824712953 834553111738 1423649425906 2086382779345 3559123564765 4172765558690 7118247129530 12101020120201 24202040240402 60505100601005 121010201202010