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126906840330 = 23523869921143
BaseRepresentation
bin111011000110000111…
…1001011010100001010
3110010120100121110020120
41312030033023110022
54034401122342310
6134144502004110
712111604226064
oct1661417132412
9403510543216
10126906840330
114990366a526
1220718a16636
13bc7610313a
1461dc772734
15347b51bb70
hex1d8c3cb50a

126906840330 has 64 divisors (see below), whose sum is σ = 317870438400. Its totient is φ = 32365188416.

The previous prime is 126906840299. The next prime is 126906840331. The reversal of 126906840330 is 33048609621.

It is a super-2 number, since 2×1269068403302 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126906840331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5991739 + ... + 6012881.

It is an arithmetic number, because the mean of its divisors is an integer number (4966725600).

Almost surely, 2126906840330 is an apocalyptic number.

126906840330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126906840330 is an abundant number, since it is smaller than the sum of its proper divisors (190963598070).

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

126906840330 is a wasteful number, since it uses less digits than its factorization.

126906840330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29875.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 126906840330 in words is "one hundred twenty-six billion, nine hundred six million, eight hundred forty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 8699 17398 21143 26097 42286 43495 52194 63429 86990 105715 126858 130485 200077 211430 260970 317145 400154 486289 600231 634290 972578 1000385 1200462 1458867 2000770 2431445 2917734 3001155 4862890 6002310 7294335 14588670 183922957 367845914 551768871 919614785 1103537742 1839229570 2758844355 4230228011 5517688710 8460456022 12690684033 21151140055 25381368066 42302280110 63453420165 126906840330