Search a number
-
+
1240020202002 = 231911311961663
BaseRepresentation
bin10010000010110110111…
…101101011001000010010
311101112201010210000102020
4102002312331223020102
5130304030132431002
62345354000232310
7155405566543551
oct22026675531022
94345633700366
101240020202002
114389870931aa
121803a830b696
138cc198c15ca
1444035673d98
15223c83632bc
hex120b6f6b212

1240020202002 has 32 divisors (see below), whose sum is σ = 2610802360320. Its totient is φ = 391550299920.

The previous prime is 1240020201977. The next prime is 1240020202009. The reversal of 1240020202002 is 2002020200421.

It is not an unprimeable number, because it can be changed into a prime (1240020202009) 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, 808623 + ... + 1770285.

It is an arithmetic number, because the mean of its divisors is an integer number (81587573760).

Almost surely, 21240020202002 is an apocalyptic number.

1240020202002 is an abundant number, since it is smaller than the sum of its proper divisors (1370782158318).

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

1240020202002 is a wasteful number, since it uses less digits than its factorization.

1240020202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972998.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 1240020202002 its reverse (2002020200421), we get a palindrome (3242040402423).

The spelling of 1240020202002 in words is "one trillion, two hundred forty billion, twenty million, two hundred two thousand, two".

Divisors: 1 2 3 6 19 38 57 114 11311 22622 33933 67866 214909 429818 644727 961663 1289454 1923326 2884989 5769978 18271597 36543194 54814791 109629582 10877370193 21754740386 32632110579 65264221158 206670033667 413340067334 620010101001 1240020202002