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2123023030 = 251012578179
BaseRepresentation
bin111111010001010…
…1100001010110110
312110221211202002121
41332202230022312
513321443214110
6550355430154
7103416253342
oct17642541266
95427752077
102123023030
1199a433697
124b2bb535a
1327aabc25b
14161d60622
15c65b3cda
hex7e8ac2b6

2123023030 has 32 divisors (see below), whose sum is σ = 3874767840. Its totient is φ = 837427200.

The previous prime is 2123023013. The next prime is 2123023031. The reversal of 2123023030 is 303203212.

It is a junction number, because it is equal to n+sod(n) for n = 2123022995 and 2123023013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123023031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255481 + ... + 263659.

It is an arithmetic number, because the mean of its divisors is an integer number (121086495).

Almost surely, 22123023030 is an apocalyptic number.

2123023030 is a deficient number, since it is larger than the sum of its proper divisors (1751744810).

2123023030 is a wasteful number, since it uses less digits than its factorization.

2123023030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8544.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2123023030 is about 46076.2740464113. The cubic root of 2123023030 is about 1285.2419777767.

Adding to 2123023030 its reverse (303203212), we get a palindrome (2426226242).

The spelling of 2123023030 in words is "two billion, one hundred twenty-three million, twenty-three thousand, thirty".

Divisors: 1 2 5 10 101 202 257 505 514 1010 1285 2570 8179 16358 25957 40895 51914 81790 129785 259570 826079 1652158 2102003 4130395 4204006 8260790 10510015 21020030 212302303 424604606 1061511515 2123023030