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126129790208794 = 2276490122809097
BaseRepresentation
bin11100101011011011100001…
…010101110100101100011010
3121112120220000221111100000211
4130223123201111310230122
5113013002302243140134
61124131120430321334
735365401532235461
oct3453334125645432
9545526027440024
10126129790208794
1137209386415529
121219096b65924a
13554bcb0059488
142320a005179d8
hex72b6e1574b1a

126129790208794 has 8 divisors (see below), whose sum is σ = 189194762035188. Its totient is φ = 63064869530400.

The previous prime is 126129790208771. The next prime is 126129790208809. The reversal of 126129790208794 is 497802097921621.

It can be written as a sum of positive squares in 2 ways, for example, as 126059832603769 + 69957605025 = 11227637^2 + 264495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1261297902087942 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5874747 + ... + 16934350.

Almost surely, 2126129790208794 is an apocalyptic number.

126129790208794 is a deficient number, since it is larger than the sum of its proper divisors (63064971826394).

126129790208794 is a wasteful number, since it uses less digits than its factorization.

126129790208794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25574000.

The product of its (nonzero) digits is 54867456, while the sum is 67.

The spelling of 126129790208794 in words is "one hundred twenty-six trillion, one hundred twenty-nine billion, seven hundred ninety million, two hundred eight thousand, seven hundred ninety-four".