Search a number
-
+
2021201010210 = 2353718194110691
BaseRepresentation
bin11101011010011000111…
…101111101111000100010
321011020001222021202111110
4131122120331331320202
5231103404424311320
64144305452124150
7266012150055324
oct35323075757042
97136058252443
102021201010210
1170a206306628
12287880166656
131187a19c8225
146db80489614
15378993d35e0
hex1d698f7de22

2021201010210 has 128 divisors (see below), whose sum is σ = 5015304822528. Its totient is φ = 520919424000.

The previous prime is 2021201010161. The next prime is 2021201010271. The reversal of 2021201010210 is 120101021202.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 189050965 + ... + 189061655.

It is an arithmetic number, because the mean of its divisors is an integer number (39182068926).

Almost surely, 22021201010210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021201010210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2507652411264).

2021201010210 is an abundant number, since it is smaller than the sum of its proper divisors (2994103812318).

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

2021201010210 is a wasteful number, since it uses less digits than its factorization.

2021201010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11860.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2021201010210 its reverse (120101021202), we get a palindrome (2141302031412).

The spelling of 2021201010210 in words is "two trillion, twenty-one billion, two hundred one million, ten thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 181 185 222 362 370 543 555 905 941 1086 1110 1810 1882 2715 2823 4705 5430 5646 6697 9410 10691 13394 14115 20091 21382 28230 32073 33485 34817 40182 53455 64146 66970 69634 100455 104451 106910 160365 170321 174085 200910 208902 320730 340642 348170 395567 510963 522255 791134 851605 1021926 1044510 1186701 1703210 1935071 1977835 2373402 2554815 3870142 3955670 5109630 5805213 5933505 6301877 9675355 10060231 11610426 11867010 12603754 18905631 19350710 20120462 29026065 30180693 31509385 37811262 50301155 58052130 60361386 63018770 71597627 94528155 100602310 143195254 150903465 189056310 214792881 301806930 357988135 372228547 429585762 715976270 744457094 1073964405 1116685641 1820901811 1861142735 2147928810 2233371282 3641803622 3722285470 5462705433 5583428205 9104509055 10925410866 11166856410 18209018110 27313527165 54627054330 67373367007 134746734014 202120101021 336866835035 404240202042 673733670070 1010600505105 2021201010210