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203220120230 = 2572788131729
BaseRepresentation
bin1011110101000011011…
…1001111001010100110
3201102112202111202000122
42331100313033022212
511312143322321410
6233205200241542
720452661343431
oct2752067171246
9642482452018
10203220120230
1179204507196
12334760102b2
13162184b3a6a
149b9ba26818
155445ee8e55
hex2f50dcf2a6

203220120230 has 32 divisors (see below), whose sum is σ = 366726709440. Its totient is φ = 81081538560.

The previous prime is 203220120161. The next prime is 203220120247. The reversal of 203220120230 is 32021022302.

It is a junction number, because it is equal to n+sod(n) for n = 203220120199 and 203220120208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6389006 + ... + 6420734.

It is an arithmetic number, because the mean of its divisors is an integer number (11460209670).

Almost surely, 2203220120230 is an apocalyptic number.

203220120230 is a deficient number, since it is larger than the sum of its proper divisors (163506589210).

203220120230 is a wasteful number, since it uses less digits than its factorization.

203220120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33344.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 203220120230 its reverse (32021022302), we get a palindrome (235241142532).

The spelling of 203220120230 in words is "two hundred three billion, two hundred twenty million, one hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 10 727 881 1454 1762 3635 4405 7270 8810 31729 63458 158645 317290 640487 1280974 3202435 6404870 23066983 27953249 46133966 55906498 115334915 139766245 230669830 279532490 20322012023 40644024046 101610060115 203220120230