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126847389930 = 235231993492647
BaseRepresentation
bin111011000100010110…
…0011001000011101010
3110010102012202001121220
41312020230121003222
54034240412434210
6134134535442510
712110253011232
oct1661054310352
9403365661556
10126847389930
1149883054568
1220700b26436
13bc669b93a1
1461d48d8cc2
1534761c6c70
hex1d88b190ea

126847389930 has 128 divisors (see below), whose sum is σ = 320302080000. Its totient is φ = 32088317184.

The previous prime is 126847389913. The next prime is 126847389971. The reversal of 126847389930 is 39983748621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47919867 + ... + 47922513.

It is an arithmetic number, because the mean of its divisors is an integer number (2502360000).

Almost surely, 2126847389930 is an apocalyptic number.

126847389930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126847389930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160151040000).

126847389930 is an abundant number, since it is smaller than the sum of its proper divisors (193454690070).

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

126847389930 is a wasteful number, since it uses less digits than its factorization.

126847389930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228.

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 126847389930 in words is "one hundred twenty-six billion, eight hundred forty-seven million, three hundred eighty-nine thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 199 230 345 349 398 597 690 698 995 1047 1194 1745 1990 2094 2647 2985 3490 4577 5235 5294 5970 7941 8027 9154 10470 13235 13731 15882 16054 22885 24081 26470 27462 39705 40135 45770 48162 60881 68655 69451 79410 80270 120405 121762 137310 138902 182643 208353 240810 304405 347255 365286 416706 526753 608810 694510 913215 923803 1041765 1053506 1580259 1597373 1826430 1847606 2083530 2633765 2771409 3160518 3194746 4619015 4792119 5267530 5542818 7901295 7986865 9238030 9584238 12115319 13857045 15802590 15973730 21247469 23960595 24230638 27714090 36345957 42494938 47921190 60576595 63742407 72691914 106237345 121153190 127484814 181729785 183836797 212474690 318712035 363459570 367673594 551510391 637424070 919183985 1103020782 1838367970 2757551955 4228246331 5515103910 8456492662 12684738993 21141231655 25369477986 42282463310 63423694965 126847389930