Search a number
-
+
11202001001020 = 2252212812531171
BaseRepresentation
bin1010001100000010101101…
…0010100101101000111100
31110122220022201011202011201
42203000223102211220330
52432013144224013040
635454043410025244
72234214012311464
oct243005322455074
943586281152151
1011202001001020
113629818590865
12130b033578224
1363346217b0ab
142aa2732d2ba4
151465ca63ca9a
hexa302b4a5a3c

11202001001020 has 24 divisors (see below), whose sum is σ = 23524317705168. Its totient is φ = 4480778380800.

The previous prime is 11202001001003. The next prime is 11202001001123. The reversal of 11202001001020 is 2010010020211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11202001000988 and 11202001001006.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3160035 + ... + 5691205.

It is an arithmetic number, because the mean of its divisors is an integer number (980179904382).

Almost surely, 211202001001020 is an apocalyptic number.

11202001001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202001001020 is an abundant number, since it is smaller than the sum of its proper divisors (12322316704148).

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

11202001001020 is a wasteful number, since it uses less digits than its factorization.

11202001001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752461 (or 2752459 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11202001001020 its reverse (2010010020211), we get a palindrome (13212011021231).

The spelling of 11202001001020 in words is "eleven trillion, two hundred two billion, one million, one thousand, twenty".

Divisors: 1 2 4 5 10 20 221281 442562 885124 1106405 2212810 2531171 4425620 5062342 10124684 12655855 25311710 50623420 560100050051 1120200100102 2240400200204 2800500250255 5601000500510 11202001001020