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12505463000 = 235359792683
BaseRepresentation
bin10111010010110001…
…00011100011011000
31012021112020100020022
423221120203203120
5201102344304000
65424523250012
7621616452542
oct135130434330
935245210208
1012505463000
11533800a498
122510079908
131243ab0364
14868bd6692
154d2d17585
hex2e96238d8

12505463000 has 128 divisors (see below), whose sum is σ = 30146688000. Its totient is φ = 4853347200.

The previous prime is 12505462979. The next prime is 12505463053. The reversal of 12505463000 is 36450521.

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, 4659659 + ... + 4662341.

It is an arithmetic number, because the mean of its divisors is an integer number (235521000).

Almost surely, 212505463000 is an apocalyptic number.

12505463000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12505463000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15073344000).

12505463000 is an abundant number, since it is smaller than the sum of its proper divisors (17641225000).

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

12505463000 is a wasteful number, since it uses less digits than its factorization.

12505463000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 12505463000 in words is "twelve billion, five hundred five million, four hundred sixty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 59 79 100 118 125 158 200 236 250 295 316 395 472 500 590 632 790 1000 1180 1475 1580 1975 2360 2683 2950 3160 3950 4661 5366 5900 7375 7900 9322 9875 10732 11800 13415 14750 15800 18644 19750 21464 23305 26830 29500 37288 39500 46610 53660 59000 67075 79000 93220 107320 116525 134150 158297 186440 211957 233050 268300 316594 335375 423914 466100 536600 582625 633188 670750 791485 847828 932200 1059785 1165250 1266376 1341500 1582970 1695656 2119570 2330500 2683000 3165940 3957425 4239140 4661000 5298925 6331880 7914850 8478280 10597850 12505463 15829700 19787125 21195700 25010926 26494625 31659400 39574250 42391400 50021852 52989250 62527315 79148500 100043704 105978500 125054630 158297000 211957000 250109260 312636575 500218520 625273150 1250546300 1563182875 2501092600 3126365750 6252731500 12505463000