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211202130 = 23561131881
BaseRepresentation
bin11001001011010…
…11000001010010
3112201102011212010
430211223001102
5413031432010
632542443350
75143121436
oct1445530122
9481364763
10211202130
11a9244317
125a893556
13349aa099
142009a9c6
151381d620
hexc96b052

211202130 has 64 divisors (see below), whose sum is σ = 519716736. Its totient is φ = 54912000.

The previous prime is 211202113. The next prime is 211202137. The reversal of 211202130 is 31202112.

It is not an unprimeable number, because it can be changed into a prime (211202137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239290 + ... + 240170.

It is an arithmetic number, because the mean of its divisors is an integer number (8120574).

Almost surely, 2211202130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211202130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259858368).

211202130 is an abundant number, since it is smaller than the sum of its proper divisors (308514606).

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

211202130 is a wasteful number, since it uses less digits than its factorization.

211202130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 211202130 is about 14532.7949823838. The cubic root of 211202130 is about 595.5242231671.

Adding to 211202130 its reverse (31202112), we get a palindrome (242404242).

The spelling of 211202130 in words is "two hundred eleven million, two hundred two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 61 122 131 183 262 305 366 393 610 655 786 881 915 1310 1762 1830 1965 2643 3930 4405 5286 7991 8810 13215 15982 23973 26430 39955 47946 53741 79910 107482 115411 119865 161223 230822 239730 268705 322446 346233 537410 577055 692466 806115 1154110 1612230 1731165 3462330 7040071 14080142 21120213 35200355 42240426 70400710 105601065 211202130