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2105254330 = 251731834813
BaseRepresentation
bin111110101111011…
…1010000110111010
312102201102000000121
41331132322012322
513302421114310
6544522523454
7103112236504
oct17536720672
95381360017
102105254330
119903a7813
124a906658a
1327720a62a
1415d856d74
15c4c540da
hex7d7ba1ba

2105254330 has 64 divisors (see below), whose sum is σ = 4192570368. Its totient is φ = 757601280.

The previous prime is 2105254309. The next prime is 2105254357. The reversal of 2105254330 is 334525012.

It is a junction number, because it is equal to n+sod(n) for n = 2105254295 and 2105254304.

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, 435004 + ... + 439816.

It is an arithmetic number, because the mean of its divisors is an integer number (65508912).

Almost surely, 22105254330 is an apocalyptic number.

2105254330 is a deficient number, since it is larger than the sum of its proper divisors (2087316038).

2105254330 is a wasteful number, since it uses less digits than its factorization.

2105254330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4951.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2105254330 is about 45883.0505742589. The cubic root of 2105254330 is about 1281.6463049133.

Adding to 2105254330 its reverse (334525012), we get a palindrome (2439779342).

The spelling of 2105254330 in words is "two billion, one hundred five million, two hundred fifty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 17 31 34 62 83 85 155 166 170 310 415 527 830 1054 1411 2573 2635 2822 4813 5146 5270 7055 9626 12865 14110 24065 25730 43741 48130 81821 87482 149203 163642 218705 298406 399479 409105 437410 746015 798958 818210 1492030 1997395 2536451 3994790 5072902 6791143 12383849 12682255 13582286 24767698 25364510 33955715 61919245 67911430 123838490 210525433 421050866 1052627165 2105254330