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2123210030 = 25212321003
BaseRepresentation
bin111111010001101…
…1001110100101110
312110222012020121112
41332203121310232
513322020210110
6550403432022
7103420662464
oct17643316456
95428166545
102123210030
1199a551137
124b3085612
1327ab563c6
14161dac834
15c65ee405
hex7e8d9d2e

2123210030 has 8 divisors (see below), whose sum is σ = 3821778072. Its totient is φ = 849284008.

The previous prime is 2123209987. The next prime is 2123210039. The reversal of 2123210030 is 300123212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2123209987 and 2123210014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123210039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106160492 + ... + 106160511.

It is an arithmetic number, because the mean of its divisors is an integer number (477722259).

Almost surely, 22123210030 is an apocalyptic number.

2123210030 is a deficient number, since it is larger than the sum of its proper divisors (1698568042).

2123210030 is a wasteful number, since it uses less digits than its factorization.

2123210030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212321010.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2123210030 is about 46078.3032456708. The cubic root of 2123210030 is about 1285.2797122070.

Adding to 2123210030 its reverse (300123212), we get a palindrome (2423333242).

The spelling of 2123210030 in words is "two billion, one hundred twenty-three million, two hundred ten thousand, thirty".

Divisors: 1 2 5 10 212321003 424642006 1061605015 2123210030