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212101002210 = 23561130189087
BaseRepresentation
bin1100010110001000110…
…1000111001111100010
3202021110200110021211110
43011202031013033202
511433340324032320
6241234324324150
721216026525556
oct3054215071742
9667420407743
10212101002210
1181a51539279
1235134243656
1317002388706
14a3a12b1866
1557b59e65e0
hex31623473e2

212101002210 has 64 divisors (see below), whose sum is σ = 517790859264. Its totient is φ = 55589664000.

The previous prime is 212101002209. The next prime is 212101002229. The reversal of 212101002210 is 12200101212.

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, 2336287 + ... + 2425373.

It is an arithmetic number, because the mean of its divisors is an integer number (8090482176).

Almost surely, 2212101002210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212101002210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258895429632).

212101002210 is an abundant number, since it is smaller than the sum of its proper divisors (305689857054).

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

212101002210 is a wasteful number, since it uses less digits than its factorization.

212101002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90459.

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

Adding to 212101002210 its reverse (12200101212), we get a palindrome (224301103422).

It can be divided in two parts, 212101002 and 210, that added together give a palindrome (212101212).

The spelling of 212101002210 in words is "two hundred twelve billion, one hundred one million, two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 61 122 183 305 366 610 915 1301 1830 2602 3903 6505 7806 13010 19515 39030 79361 89087 158722 178174 238083 267261 396805 445435 476166 534522 793610 890870 1190415 1336305 2380830 2672610 5434307 10868614 16302921 27171535 32605842 54343070 81514605 115902187 163029210 231804374 347706561 579510935 695413122 1159021870 1738532805 3477065610 7070033407 14140066814 21210100221 35350167035 42420200442 70700334070 106050501105 212101002210