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212323102 = 2106161551
BaseRepresentation
bin11001010011111…
…00101100011110
3112210112010112121
430221330230132
5413323314402
633022453154
75155500535
oct1451745436
9483463477
10212323102
11a993a542
125b1341ba
1334cb0394
14202ad31c
1513990837
hexca7cb1e

212323102 has 4 divisors (see below), whose sum is σ = 318484656. Its totient is φ = 106161550.

The previous prime is 212323093. The next prime is 212323103. The reversal of 212323102 is 201323212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212323103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53080774 + ... + 53080777.

It is an arithmetic number, because the mean of its divisors is an integer number (79621164).

Almost surely, 2212323102 is an apocalyptic number.

212323102 is a deficient number, since it is larger than the sum of its proper divisors (106161554).

212323102 is a wasteful number, since it uses less digits than its factorization.

212323102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106161553.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 212323102 is about 14571.3109224942. The cubic root of 212323102 is about 596.5759619235.

Adding to 212323102 its reverse (201323212), we get a palindrome (413646314).

The spelling of 212323102 in words is "two hundred twelve million, three hundred twenty-three thousand, one hundred two".

Divisors: 1 2 106161551 212323102