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213133002 = 2340278821
BaseRepresentation
bin11001011010000…
…10011011001010
3112212001021111220
430231002123022
5414030224002
633052102510
75165413005
oct1455023312
9485037456
10213133002
11aa342a85
125b464a36
1335204c04
142044053c
1513aa07bc
hexcb426ca

213133002 has 16 divisors (see below), whose sum is σ = 426420192. Its totient is φ = 71018640.

The previous prime is 213132991. The next prime is 213133003. The reversal of 213133002 is 200331312.

It is not an unprimeable number, because it can be changed into a prime (213133003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19752 + ... + 28572.

It is an arithmetic number, because the mean of its divisors is an integer number (26651262).

Almost surely, 2213133002 is an apocalyptic number.

213133002 is an abundant number, since it is smaller than the sum of its proper divisors (213287190).

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

213133002 is a wasteful number, since it uses less digits than its factorization.

213133002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12853.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 213133002 is about 14599.0753816809. The cubic root of 213133002 is about 597.3335397594. Note that the first 3 decimals are identical.

Adding to 213133002 its reverse (200331312), we get a palindrome (413464314).

The spelling of 213133002 in words is "two hundred thirteen million, one hundred thirty-three thousand, two".

Divisors: 1 2 3 6 4027 8054 8821 12081 17642 24162 26463 52926 35522167 71044334 106566501 213133002