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2120112120210 = 235722949732867
BaseRepresentation
bin11110110110100000100…
…001111010000110010010
321111200101020222202110220
4132312200201322012102
5234213442200321320
64301544400333510
7306113232452400
oct36664041720622
97450336882426
102120112120210
11748153025537
122a2a85314296
13124c05a46b56
1474884a60470
153a237c2de40
hex1eda087a192

2120112120210 has 96 divisors (see below), whose sum is σ = 6123110708160. Its totient is φ = 467886803328.

The previous prime is 2120112120187. The next prime is 2120112120229. The reversal of 2120112120210 is 120212110212.

It is a super-2 number, since 2×21201121202102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2120112120210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24823804 + ... + 24909063.

It is an arithmetic number, because the mean of its divisors is an integer number (63782403210).

Almost surely, 22120112120210 is an apocalyptic number.

2120112120210 is an abundant number, since it is smaller than the sum of its proper divisors (4002998587950).

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

2120112120210 is a wasteful number, since it uses less digits than its factorization.

2120112120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49732920 (or 49732913 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2120112120210 its reverse (120212110212), we get a palindrome (2240324230422).

The spelling of 2120112120210 in words is "two trillion, one hundred twenty billion, one hundred twelve million, one hundred twenty thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 29 30 35 42 49 58 70 87 98 105 145 147 174 203 210 245 290 294 406 435 490 609 735 870 1015 1218 1421 1470 2030 2842 3045 4263 6090 7105 8526 14210 21315 42630 49732867 99465734 149198601 248664335 298397202 348130069 497328670 696260138 745993005 1044390207 1442253143 1491986010 1740650345 2088780414 2436910483 2884506286 3481300690 4326759429 4873820966 5221951035 7211265715 7310731449 8653518858 10095772001 10443902070 12184552415 14422531430 14621462898 20191544002 21633797145 24369104830 30287316003 36553657245 43267594290 50478860005 60574632006 70670404007 73107314490 100957720010 141340808014 151436580015 212011212021 302873160030 353352020035 424022424042 706704040070 1060056060105 2120112120210