Search a number
-
+
100210022220 = 223571121690481
BaseRepresentation
bin101110101010011111…
…0111001011101001100
3100120122210211120120110
41131110332321131030
53120212231202340
6114011424320020
710145204064120
oct1352476713514
9316583746513
10100210022220
1139553a43990
1217508173010
1395b0195749
144bc8cd1580
1529178c3680
hex1754fb974c

100210022220 has 96 divisors (see below), whose sum is σ = 349824093696. Its totient is φ = 20822860800.

The previous prime is 100210022197. The next prime is 100210022273. The reversal of 100210022220 is 22220012001.

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 = 100210022196 and 100210022205.

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, 10840621 + ... + 10849860.

It is an arithmetic number, because the mean of its divisors is an integer number (3644000976).

Almost surely, 2100210022220 is an apocalyptic number.

100210022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100210022220 is an abundant number, since it is smaller than the sum of its proper divisors (249614071476).

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

100210022220 is a wasteful number, since it uses less digits than its factorization.

100210022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21690511 (or 21690509 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 100210022220 its reverse (22220012001), we get a palindrome (122430034221).

The spelling of 100210022220 in words is "one hundred billion, two hundred ten million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 55 60 66 70 77 84 105 110 132 140 154 165 210 220 231 308 330 385 420 462 660 770 924 1155 1540 2310 4620 21690481 43380962 65071443 86761924 108452405 130142886 151833367 216904810 238595291 260285772 303666734 325357215 433809620 455500101 477190582 607333468 650714430 715785873 759166835 911000202 954381164 1192976455 1301428860 1431571746 1518333670 1670167037 1822000404 2277500505 2385952910 2863143492 3036667340 3340334074 3578929365 4555001010 4771905820 5010501111 6680668148 7157858730 8350835185 9110002020 10021002222 14315717460 16701670370 20042004444 25052505555 33403340740 50105011110 100210022220