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42706934790 = 235131943134033
BaseRepresentation
bin100111110001100010…
…000001110000000110
311002020022122001221120
4213301202001300012
51144430433403130
631341433454410
73041213645652
oct476142016006
9132208561846
1042706934790
1117125a51233
12833a571406
134047b26620
1420d1cc7a62
15119e48b910
hex9f1881c06

42706934790 has 128 divisors (see below), whose sum is σ = 118893519360. Its totient is φ = 9727506432.

The previous prime is 42706934749. The next prime is 42706934813. The reversal of 42706934790 is 9743960724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 251614 + ... + 385646.

It is an arithmetic number, because the mean of its divisors is an integer number (928855620).

Almost surely, 242706934790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42706934790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59446759680).

42706934790 is an abundant number, since it is smaller than the sum of its proper divisors (76186584570).

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

42706934790 is a wasteful number, since it uses less digits than its factorization.

42706934790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134118.

The product of its (nonzero) digits is 2286144, while the sum is 51.

The spelling of 42706934790 in words is "forty-two billion, seven hundred six million, nine hundred thirty-four thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 19 26 30 38 39 43 57 65 78 86 95 114 129 130 190 195 215 247 258 285 390 430 494 559 570 645 741 817 1118 1235 1290 1482 1634 1677 2451 2470 2795 3354 3705 4085 4902 5590 7410 8170 8385 10621 12255 16770 21242 24510 31863 53105 63726 106210 134033 159315 268066 318630 402099 670165 804198 1340330 1742429 2010495 2546627 3484858 4020990 5093254 5227287 5763419 7639881 8712145 10454574 11526838 12733135 15279762 17290257 17424290 25466270 26136435 28817095 33106151 34580514 38199405 52272870 57634190 66212302 74924447 76398810 86451285 99318453 109504961 149848894 165530755 172902570 198636906 219009922 224773341 328514883 331061510 374622235 449546682 496592265 547524805 657029766 749244470 993184530 1095049610 1123866705 1423564493 1642574415 2247733410 2847128986 3285148830 4270693479 7117822465 8541386958 14235644930 21353467395 42706934790