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213101230 = 2523419103
BaseRepresentation
bin11001011001110…
…10101010101110
3112211222122221011
430230322222232
5414023214410
633051255434
75165221246
oct1454725256
9484878834
10213101230
11aa321121
125b44a57a
13351c3604
1420432b26
1513a9618a
hexcb3aaae

213101230 has 16 divisors (see below), whose sum is σ = 383788224. Its totient is φ = 85194720.

The previous prime is 213101221. The next prime is 213101257. The reversal of 213101230 is 32101312.

It is a self number, because there is not a number n which added to its sum of digits gives 213101230.

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, 18859 + ... + 27961.

It is an arithmetic number, because the mean of its divisors is an integer number (23986764).

Almost surely, 2213101230 is an apocalyptic number.

213101230 is a deficient number, since it is larger than the sum of its proper divisors (170686994).

213101230 is a wasteful number, since it uses less digits than its factorization.

213101230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11451.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 213101230 is about 14597.9871900204. The cubic root of 213101230 is about 597.3038565347.

Adding to 213101230 its reverse (32101312), we get a palindrome (245202542).

The spelling of 213101230 in words is "two hundred thirteen million, one hundred one thousand, two hundred thirty".

Divisors: 1 2 5 10 2341 4682 9103 11705 18206 23410 45515 91030 21310123 42620246 106550615 213101230