Base | Representation |
---|---|
bin | 101011000000001… |
… | …1011111101001001 |
3 | 10201120011201020210 |
4 | 1112000123331021 |
5 | 10423344030311 |
6 | 355103311333 |
7 | 50520626061 |
oct | 12600337511 |
9 | 3646151223 |
10 | 1442955081 |
11 | 680568567 |
12 | 3432ab549 |
13 | 19cc3b399 |
14 | d98d43a1 |
15 | 86a2c3a6 |
hex | 5601bf49 |
1442955081 has 16 divisors (see below), whose sum is σ = 1980177408. Its totient is φ = 934256400.
The previous prime is 1442955079. The next prime is 1442955167. The reversal of 1442955081 is 1805592441.
It is not a de Polignac number, because 1442955081 - 21 = 1442955079 is a prime.
It is a super-2 number, since 2×14429550812 = 4164238731567433122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1442954081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36285 + ... + 64826.
It is an arithmetic number, because the mean of its divisors is an integer number (123761088).
Almost surely, 21442955081 is an apocalyptic number.
It is an amenable number.
1442955081 is a deficient number, since it is larger than the sum of its proper divisors (537222327).
1442955081 is a wasteful number, since it uses less digits than its factorization.
1442955081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101252.
The product of its (nonzero) digits is 57600, while the sum is 39.
The square root of 1442955081 is about 37986.2485776103. The cubic root of 1442955081 is about 1130.0151617774.
The spelling of 1442955081 in words is "one billion, four hundred forty-two million, nine hundred fifty-five thousand, eighty-one".
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