Base | Representation |
---|---|
bin | 100000011111101001011011… |
… | …010111110101011100100000 |
3 | 200202000021120011001000011120 |
4 | 200133221123113311130200 |
5 | 122212433314321010414 |
6 | 1223540554230412240 |
7 | 42050033252350101 |
oct | 4037513327653440 |
9 | 622007504030146 |
10 | 142912274781984 |
11 | 41599834443244 |
12 | 14041433801080 |
13 | 61987537a3c76 |
14 | 2740dc346c3a8 |
15 | 117c7224432a9 |
hex | 81fa5b5f5720 |
142912274781984 has 96 divisors (see below), whose sum is σ = 407627541135360. Its totient is φ = 43674379372800.
The previous prime is 142912274781967. The next prime is 142912274782037. The reversal of 142912274781984 is 489187472219241.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×1429122747819842 (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 15 ways as a sum of consecutive naturals, for example, 1263669712 + ... + 1263782799.
It is an arithmetic number, because the mean of its divisors is an integer number (4246120220160).
Almost surely, 2142912274781984 is an apocalyptic number.
It is an amenable number.
142912274781984 is an abundant number, since it is smaller than the sum of its proper divisors (264715266353376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142912274781984 is a wasteful number, since it uses less digits than its factorization.
142912274781984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2527452574 (or 2527452566 counting only the distinct ones).
The product of its digits is 130056192, while the sum is 69.
The spelling of 142912274781984 in words is "one hundred forty-two trillion, nine hundred twelve billion, two hundred seventy-four million, seven hundred eighty-one thousand, nine hundred eighty-four".
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