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121434411112985 = 5174394735083621
BaseRepresentation
bin11011100111000110100110…
…111100000001101000011001
3120220222000102220100111020102
4123213012212330001220121
5111404040133221103420
61110134110501105145
734402226624364605
oct3347064674015031
9526860386314212
10121434411112985
1135769054314a53
12117529766b81b5
13529b2a624cc59
1421db657892505
15e08bc37c0a75
hex6e71a6f01a19

121434411112985 has 32 divisors (see below), whose sum is σ = 158048068413312. Its totient is φ = 89212312949760.

The previous prime is 121434411112981. The next prime is 121434411112997. The reversal of 121434411112985 is 589211114434121.

It is not a de Polignac number, because 121434411112985 - 22 = 121434411112981 is a prime.

It is a super-2 number, since 2×1214344111129852 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121434411112981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14080526 + ... + 21003095.

It is an arithmetic number, because the mean of its divisors is an integer number (4939002137916).

Almost surely, 2121434411112985 is an apocalyptic number.

It is an amenable number.

121434411112985 is a deficient number, since it is larger than the sum of its proper divisors (36613657300327).

121434411112985 is a wasteful number, since it uses less digits than its factorization.

121434411112985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35084633.

The product of its digits is 276480, while the sum is 47.

The spelling of 121434411112985 in words is "one hundred twenty-one trillion, four hundred thirty-four billion, four hundred eleven million, one hundred twelve thousand, nine hundred eighty-five".

Divisors: 1 5 17 43 85 215 731 947 3655 4735 16099 40721 80495 203605 692257 3461285 35083621 175418105 596421557 1508595703 2982107785 7542978515 25646126951 33224189087 128230634755 166120945435 564811214479 1428640130741 2824056072395 7143200653705 24286882222597 121434411112985