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2002211121210 = 2351792391560047
BaseRepresentation
bin11101001000101101000…
…101010010100000111010
321002102001112110110001020
4131020231011102200322
5230301012021334320
64131445245003310
7264440441503416
oct35105505224072
97072045413036
102002211121210
11702150a86993
12284060553536
13116a6668aa11
146cc9c3c3d46
1537137194940
hex1d22d15283a

2002211121210 has 64 divisors (see below), whose sum is σ = 4852373299200. Its totient is φ = 528718309952.

The previous prime is 2002211121181. The next prime is 2002211121241. The reversal of 2002211121210 is 121211122002.

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 2002211121210.

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, 503407 + ... + 2063453.

It is an arithmetic number, because the mean of its divisors is an integer number (75818332800).

Almost surely, 22002211121210 is an apocalyptic number.

2002211121210 is an abundant number, since it is smaller than the sum of its proper divisors (2850162177990).

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

2002211121210 is a wasteful number, since it uses less digits than its factorization.

2002211121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560475.

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

Adding to 2002211121210 its reverse (121211122002), we get a palindrome (2123422243212).

The spelling of 2002211121210 in words is "two trillion, two billion, two hundred eleven million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 179 239 358 478 537 717 895 1074 1195 1434 1790 2390 2685 3585 5370 7170 42781 85562 128343 213905 256686 427810 641715 1283430 1560047 3120094 4680141 7800235 9360282 15600470 23400705 46801410 279248413 372851233 558496826 745702466 837745239 1118553699 1396242065 1675490478 1864256165 2237107398 2792484130 3728512330 4188726195 5592768495 8377452390 11185536990 66740370707 133480741414 200221112121 333701853535 400442224242 667403707070 1001105560605 2002211121210