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233213021130 = 23559181727949
BaseRepresentation
bin1101100100110010010…
…1000100101111001010
3211021222000102222021010
43121030211010233022
512310110013134010
6255045300224350
722564143654255
oct3311445045712
9737860388233
10233213021130
118a9a57415a1
123924669b0b6
1318cb82617bb
14b40514409c
1560ee1be620
hex364c944bca

233213021130 has 64 divisors (see below), whose sum is σ = 572343408000. Its totient is φ = 60798216960.

The previous prime is 233213021101. The next prime is 233213021177. The reversal of 233213021130 is 31120312332.

It is a junction number, because it is equal to n+sod(n) for n = 233213021097 and 233213021106.

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, 43605 + ... + 684344.

It is an arithmetic number, because the mean of its divisors is an integer number (8942865750).

Almost surely, 2233213021130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233213021130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286171704000).

233213021130 is an abundant number, since it is smaller than the sum of its proper divisors (339130386870).

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

233213021130 is a wasteful number, since it uses less digits than its factorization.

233213021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728199.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 233213021130 its reverse (31120312332), we get a palindrome (264333333462).

The spelling of 233213021130 in words is "two hundred thirty-three billion, two hundred thirteen million, twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 181 295 354 362 543 590 885 905 1086 1770 1810 2715 5430 10679 21358 32037 53395 64074 106790 160185 320370 727949 1455898 2183847 3639745 4367694 7279490 10919235 21838470 42948991 85897982 128846973 131758769 214744955 257693946 263517538 395276307 429489910 644234865 658793845 790552614 1288469730 1317587690 1976381535 3952763070 7773767371 15547534742 23321302113 38868836855 46642604226 77737673710 116606510565 233213021130