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321203110030 = 251117237468103
BaseRepresentation
bin1001010110010010011…
…00101000000010001110
31010201002012022121200121
410223021030220002032
520230310444010110
6403320401215154
732130466246555
oct4531114500216
91121065277617
10321203110030
11114248866730
12523023314ba
132439b84946a
1411791126d9c
15854dd7bcda
hex4ac932808e

321203110030 has 64 divisors (see below), whose sum is σ = 696863720448. Its totient is φ = 105150876160.

The previous prime is 321203110027. The next prime is 321203110051. The reversal of 321203110030 is 30011302123.

It is a junction number, because it is equal to n+sod(n) for n = 321203109986 and 321203110013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3691042 + ... + 3777061.

It is an arithmetic number, because the mean of its divisors is an integer number (10888495632).

Almost surely, 2321203110030 is an apocalyptic number.

321203110030 is an abundant number, since it is smaller than the sum of its proper divisors (375660610418).

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

321203110030 is a wasteful number, since it uses less digits than its factorization.

321203110030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7468161.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 321203110030 its reverse (30011302123), we get a palindrome (351214412153).

The spelling of 321203110030 in words is "three hundred twenty-one billion, two hundred three million, one hundred ten thousand, thirty".

Divisors: 1 2 5 10 11 17 22 23 34 46 55 85 110 115 170 187 230 253 374 391 506 782 935 1265 1870 1955 2530 3910 4301 8602 21505 43010 7468103 14936206 37340515 74681030 82149133 126957751 164298266 171766369 253915502 343532738 410745665 634788755 821491330 858831845 1269577510 1396535261 1717663690 1889430059 2793070522 2920028273 3778860118 5840056546 6982676305 9447150295 13965352610 14600141365 18894300590 29200282730 32120311003 64240622006 160601555015 321203110030