Search a number
-
+
121311002202110 = 2572237771364651
BaseRepresentation
bin11011100101010011101011…
…001100011000111111111110
3120220112012220022201021010122
4123211103223030120333332
5111400024413030431420
61110001301031534542
734360300503062540
oct3345235314307776
9526465808637118
10121311002202110
1135720786198716
1211732a7522a452
13528c769a3cb76
1421d56ab8dd690
15e0589e402725
hex6e54eb318ffe

121311002202110 has 32 divisors (see below), whose sum is σ = 250673138214912. Its totient is φ = 41405830855200.

The previous prime is 121311002202083. The next prime is 121311002202151. The reversal of 121311002202110 is 11202200113121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3885666716 + ... + 3885697935.

It is an arithmetic number, because the mean of its divisors is an integer number (7833535569216).

Almost surely, 2121311002202110 is an apocalyptic number.

121311002202110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121311002202110 is an abundant number, since it is smaller than the sum of its proper divisors (129362136012802).

121311002202110 is a wasteful number, since it uses less digits than its factorization.

121311002202110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7771364888.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121311002202110 its reverse (11202200113121), we get a palindrome (132513202315231).

The spelling of 121311002202110 in words is "one hundred twenty-one trillion, three hundred eleven billion, two million, two hundred two thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 70 223 446 1115 1561 2230 3122 7805 15610 7771364651 15542729302 38856823255 54399552557 77713646510 108799105114 271997762785 543995525570 1733014317173 3466028634346 8665071585865 12131100220211 17330143171730 24262200440422 60655501101055 121311002202110