Search a number
-
+
1210110002220 = 2235718115918311
BaseRepresentation
bin10001100111000000001…
…011010100010000101100
311021200111122110102210010
4101213000023110100230
5124311301130032340
62323530013013220
7153266440206120
oct21470013242054
94250448412703
101210110002220
11427228604429
1217663b484210
138a16100b542
14427d9123580
1521727576b80
hex119c02d442c

1210110002220 has 96 divisors (see below), whose sum is σ = 3893746461696. Its totient is φ = 275068396800.

The previous prime is 1210110002207. The next prime is 1210110002243. The reversal of 1210110002220 is 222000110121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1210110002196 and 1210110002205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7883136 + ... + 8035175.

It is an arithmetic number, because the mean of its divisors is an integer number (40559858976).

Almost surely, 21210110002220 is an apocalyptic number.

1210110002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210110002220 is an abundant number, since it is smaller than the sum of its proper divisors (2683636459476).

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

1210110002220 is a wasteful number, since it uses less digits than its factorization.

1210110002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15918511 (or 15918509 counting only the distinct ones).

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

Adding to 1210110002220 its reverse (222000110121), we get a palindrome (1432110112341).

The spelling of 1210110002220 in words is "one trillion, two hundred ten billion, one hundred ten million, two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 181 210 362 420 543 724 905 1086 1267 1810 2172 2534 2715 3620 3801 5068 5430 6335 7602 10860 12670 15204 19005 25340 38010 76020 15918311 31836622 47754933 63673244 79591555 95509866 111428177 159183110 191019732 222856354 238774665 318366220 334284531 445712708 477549330 557140885 668569062 955098660 1114281770 1337138124 1671422655 2228563540 2881214291 3342845310 5762428582 6685690620 8643642873 11524857164 14406071455 17287285746 20168500037 28812142910 34574571492 40337000074 43218214365 57624285820 60505500111 80674000148 86436428730 100842500185 121011000222 172872857460 201685000370 242022000444 302527500555 403370000740 605055001110 1210110002220