Search a number
-
+
20101102212200 = 2352791518425309
BaseRepresentation
bin1001001001000001001110…
…00011101001010001101000
32122011122110101010000210112
410210200213003221101220
510113314024131242300
6110430152513233452
74143154023446012
oct444404703512150
978148411100715
1020101102212200
11644a914189509
12230788a562888
13b2a6ab26a039
144d6c818351b2
1524cd20c41e35
hex1248270e9468

20101102212200 has 96 divisors (see below), whose sum is σ = 47640072864000. Its totient is φ = 7886088288000.

The previous prime is 20101102212143. The next prime is 20101102212203. The reversal of 20101102212200 is 221220110102.

It is not an unprimeable number, because it can be changed into a prime (20101102212203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1826855 + ... + 6598454.

It is an arithmetic number, because the mean of its divisors is an integer number (496250759000).

Almost surely, 220101102212200 is an apocalyptic number.

20101102212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20101102212200 is an abundant number, since it is smaller than the sum of its proper divisors (27538970651800).

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

20101102212200 is a wasteful number, since it uses less digits than its factorization.

20101102212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8425555 (or 8425546 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20101102212200 its reverse (221220110102), we get a palindrome (20322322322302).

The spelling of 20101102212200 in words is "twenty trillion, one hundred one billion, one hundred two million, two hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 79 100 151 158 200 302 316 395 604 632 755 790 1208 1510 1580 1975 3020 3160 3775 3950 6040 7550 7900 11929 15100 15800 23858 30200 47716 59645 95432 119290 238580 298225 477160 596450 1192900 2385800 8425309 16850618 33701236 42126545 67402472 84253090 168506180 210632725 337012360 421265450 665599411 842530900 1272221659 1331198822 1685061800 2544443318 2662397644 3327997055 5088886636 5324795288 6361108295 6655994110 10177773272 12722216590 13311988220 16639985275 25444433180 26623976440 31805541475 33279970550 50888866360 63611082950 66559941100 100505511061 127222165900 133119882200 201011022122 254444331800 402022044244 502527555305 804044088488 1005055110610 2010110221220 2512637776525 4020220442440 5025275553050 10050551106100 20101102212200