Search a number
-
+
20111202001210 = 252011120200121
BaseRepresentation
bin1001001001010100000010…
…00011010010000100111010
32122012121112020122110201011
410210222001003102010322
510114000220203014320
6110434543022544134
74143662222314015
oct444520103220472
978177466573634
1020111202001210
116454127260481
122309828a3804a
13b2b62a825c58
144d755cd3237c
1524d21276205a
hex124a810d213a

20111202001210 has 8 divisors (see below), whose sum is σ = 36200163602196. Its totient is φ = 8044480800480.

The previous prime is 20111202001201. The next prime is 20111202001229. The reversal of 20111202001210 is 1210020211102.

It can be written as a sum of positive squares in 2 ways, for example, as 19987578738009 + 123623263201 = 4470747^2 + 351601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005560100051 + ... + 1005560100070.

Almost surely, 220111202001210 is an apocalyptic number.

20111202001210 is a deficient number, since it is larger than the sum of its proper divisors (16088961600986).

20111202001210 is a wasteful number, since it uses less digits than its factorization.

20111202001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011120200128.

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

Adding to 20111202001210 its reverse (1210020211102), we get a palindrome (21321222212312).

The spelling of 20111202001210 in words is "twenty trillion, one hundred eleven billion, two hundred two million, one thousand, two hundred ten".

Divisors: 1 2 5 10 2011120200121 4022240400242 10055601000605 20111202001210