Search a number
-
+
20102110111201 = 557178731916329
BaseRepresentation
bin1001001001000011000110…
…01000011110010111100001
32122011202001121122121022011
410210201203020132113201
510113323110142024301
6110430440520112521
74143221012446036
oct444414310362741
978152047577264
1020102110111201
116450291107998
122307b10005741
13b2a80c011691
144d6d3963b38d
1524cd7e483a51
hex12486321e5e1

20102110111201 has 16 divisors (see below), whose sum is σ = 20158968493440. Its totient is φ = 20045338741120.

The previous prime is 20102110111159. The next prime is 20102110111219. The reversal of 20102110111201 is 10211101120102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20102110111201 - 227 = 20101975893473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102110111231) 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, 3176187405 + ... + 3176193733.

It is an arithmetic number, because the mean of its divisors is an integer number (1259935530840).

Almost surely, 220102110111201 is an apocalyptic number.

It is an amenable number.

20102110111201 is a deficient number, since it is larger than the sum of its proper divisors (56858382239).

20102110111201 is a wasteful number, since it uses less digits than its factorization.

20102110111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11864.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20102110111201 its reverse (10211101120102), we get a palindrome (30313211231303).

The spelling of 20102110111201 in words is "twenty trillion, one hundred two billion, one hundred ten million, one hundred eleven thousand, two hundred one".

Divisors: 1 557 1787 3191 6329 995359 1777387 3525253 5702317 11309923 20195839 3176190569 6299627111 11249082323 36089964293 20102110111201