Search a number
-
+
220012021020210 = 235291387631822441
BaseRepresentation
bin110010000001100110001010…
…010110111111011000110010
31001211222221111000202122212220
4302001212022112333120302
5212314134104340121320
62055532043243501510
764225225660331526
oct6201461226773062
91054887430678786
10220012021020210
1164114635189831
1220813978827896
13959c076b87013
143c488d25b1d86
151a6803e448e40
hexc8198a5bf632

220012021020210 has 64 divisors (see below), whose sum is σ = 546240978046080. Its totient is φ = 56646333918720.

The previous prime is 220012021020179. The next prime is 220012021020263. The reversal of 220012021020210 is 12020120210022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220012021020210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119812590 + ... + 121635030.

It is an arithmetic number, because the mean of its divisors is an integer number (8535015281970).

Almost surely, 2220012021020210 is an apocalyptic number.

220012021020210 is an abundant number, since it is smaller than the sum of its proper divisors (326228957025870).

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

220012021020210 is a wasteful number, since it uses less digits than its factorization.

220012021020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961243.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220012021020210 its reverse (12020120210022), we get a palindrome (232032141230232).

The spelling of 220012021020210 in words is "two hundred twenty trillion, twelve billion, twenty-one million, twenty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 138763 277526 416289 693815 832578 1387630 1822441 2081445 3644882 4024127 4162890 5467323 8048254 9112205 10934646 12072381 18224410 20120635 24144762 27336615 40241270 52850789 54673230 60361905 105701578 120723810 158552367 264253945 317104734 528507890 792761835 1585523670 252887380483 505774760966 758662141449 1264436902415 1517324282898 2528873804830 3793310707245 7333734034007 7586621414490 14667468068014 22001202102021 36668670170035 44002404204042 73337340340070 110006010510105 220012021020210