Search a number
-
+
121031301200103 = 347239280829783
BaseRepresentation
bin11011100001001111001011…
…101101101111100011100111
3120212112110221110221011210000
4123201033023231233203213
5111330434101101400403
61105225002344432343
734331136320561310
oct3341171355574347
9525473843834700
10121031301200103
11356230a5280018
12116a8815a786b3
13526c283525898
1421c5d36675607
15ded47dd717a3
hex6e13cbb6f8e7

121031301200103 has 40 divisors (see below), whose sum is σ = 215612237541888. Its totient is φ = 66153754686096.

The previous prime is 121031301200081. The next prime is 121031301200107. The reversal of 121031301200103 is 301002103130121.

121031301200103 is a `hidden beast` number, since 1 + 210 + 31 + 301 + 20 + 0 + 103 = 666.

It is not a de Polignac number, because 121031301200103 - 26 = 121031301200039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121031301200107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4640401851 + ... + 4640427932.

Almost surely, 2121031301200103 is an apocalyptic number.

121031301200103 is a deficient number, since it is larger than the sum of its proper divisors (94580936341785).

121031301200103 is an equidigital number, since it uses as much as digits as its factorization.

121031301200103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9280829825 (or 9280829816 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121031301200103 its reverse (301002103130121), we get a palindrome (422033404330224).

The spelling of 121031301200103 in words is "one hundred twenty-one trillion, thirty-one billion, three hundred one million, two hundred thousand, one hundred three".

Divisors: 1 3 7 9 21 23 27 63 69 81 161 189 207 483 567 621 1449 1863 4347 13041 9280829783 27842489349 64965808481 83527468047 194897425443 213459085009 250582404141 584692276329 640377255027 751747212423 1494213595063 1754076828987 1921131765081 4482640785189 5262230486961 5763395295243 13447922355567 17290185885729 40343767066701 121031301200103