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2210210010100 = 2252317913996451
BaseRepresentation
bin100000001010011010110…
…010000101001111110100
321211021221100001210021201
4200022122302011033310
5242203002230310400
64411204555022244
7315453031052251
oct40123262051764
97737840053251
102210210010100
11782387a26764
122b842aa3a984
13130563c21331
1478d90960428
153c75c99506a
hex2029ac853f4

2210210010100 has 144 divisors (see below), whose sum is σ = 5017901056000. Its totient is φ = 844000560000.

The previous prime is 2210210010083. The next prime is 2210210010101. The reversal of 2210210010100 is 10100120122.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210210010101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 342611875 + ... + 342618325.

Almost surely, 22210210010100 is an apocalyptic number.

2210210010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2210210010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2508950528000).

2210210010100 is an abundant number, since it is smaller than the sum of its proper divisors (2807691045900).

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

2210210010100 is a wasteful number, since it uses less digits than its factorization.

2210210010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7974 (or 7967 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2210210010100 its reverse (10100120122), we get a palindrome (2220310130222).

The spelling of 2210210010100 in words is "two trillion, two hundred ten billion, two hundred ten million, ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 79 100 124 155 158 310 316 395 620 775 790 1399 1550 1580 1975 2449 2798 3100 3950 4898 5596 6451 6995 7900 9796 12245 12902 13990 24490 25804 27980 32255 34975 43369 48980 61225 64510 69950 86738 110521 122450 129020 139900 161275 173476 199981 216845 221042 244900 322550 399962 433690 442084 509629 552605 645100 799924 867380 999905 1019258 1084225 1105210 1999810 2038516 2168450 2210420 2548145 2763025 3426151 3999620 4336900 4999525 5096290 5526050 6852302 9024949 9999050 10192580 11052100 12740725 13704604 15798499 17130755 18049898 19998100 25481450 31596998 34261510 36099796 45124745 50962900 63193996 68523020 78992495 85653775 90249490 157984990 171307550 180498980 225623725 279773419 315969980 342615100 394962475 451247450 559546838 712970971 789924950 902494900 1119093676 1398867095 1425941942 1579849900 2797734190 2851883884 3564854855 5595468380 6994335475 7129709710 13988670950 14259419420 17824274275 22102100101 27977341900 35648548550 44204200202 71297097100 88408400404 110510500505 221021001010 442042002020 552552502525 1105105005050 2210210010100