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1213034330 = 252967149419
BaseRepresentation
bin100100001001101…
…0110111101011010
310010112112112021102
41020103112331122
54441014044310
6320211311402
742026423144
oct11023267532
93115475242
101213034330
115727a9712
1229a2ab562
131644091c1
14b7163c94
15717628a5
hex484d6f5a

1213034330 has 64 divisors (see below), whose sum is σ = 2313360000. Its totient is φ = 457298688.

The previous prime is 1213034299. The next prime is 1213034363. The reversal of 1213034330 is 334303121.

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, 2894861 + ... + 2895279.

It is an arithmetic number, because the mean of its divisors is an integer number (36146250).

Almost surely, 21213034330 is an apocalyptic number.

1213034330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213034330 is a deficient number, since it is larger than the sum of its proper divisors (1100325670).

1213034330 is a wasteful number, since it uses less digits than its factorization.

1213034330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1213034330 is about 34828.6423795129. The cubic root of 1213034330 is about 1066.4922339548.

Adding to 1213034330 its reverse (334303121), we get a palindrome (1547337451).

The spelling of 1213034330 in words is "one billion, two hundred thirteen million, thirty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 29 58 67 134 145 149 290 298 335 419 670 745 838 1490 1943 2095 3886 4190 4321 8642 9715 9983 12151 19430 19966 21605 24302 28073 43210 49915 56146 60755 62431 99830 121510 124862 140365 280730 289507 312155 579014 624310 814117 1447535 1628234 1810499 2895070 3620998 4070585 4182877 8141170 8365754 9052495 18104990 20914385 41828770 121303433 242606866 606517165 1213034330