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1210200230 = 25671806269
BaseRepresentation
bin100100000100010…
…0011000010100110
310010100012112121202
41020020203002212
54434302401410
6320030442502
741663350361
oct11010430246
93110175552
101210200230
11571143388
12299363432
13163956215
14b6a270d8
15713a2ca5
hex482230a6

1210200230 has 16 divisors (see below), whose sum is σ = 2210874480. Its totient is φ = 476854752.

The previous prime is 1210200217. The next prime is 1210200241. The reversal of 1210200230 is 320020121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902465 + ... + 903804.

It is an arithmetic number, because the mean of its divisors is an integer number (138179655).

Almost surely, 21210200230 is an apocalyptic number.

1210200230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210200230 is a deficient number, since it is larger than the sum of its proper divisors (1000674250).

1210200230 is a wasteful number, since it uses less digits than its factorization.

1210200230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806343.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1210200230 is about 34787.9322466858. The cubic root of 1210200230 is about 1065.6610119092.

Adding to 1210200230 its reverse (320020121), we get a palindrome (1530220351).

The spelling of 1210200230 in words is "one billion, two hundred ten million, two hundred thousand, two hundred thirty".

Divisors: 1 2 5 10 67 134 335 670 1806269 3612538 9031345 18062690 121020023 242040046 605100115 1210200230