Base | Representation |
---|---|
bin | 111110001010101… |
… | …001000100111001 |
3 | 2200200112201120210 |
4 | 332022221010321 |
5 | 4114000231311 |
6 | 251254341333 |
7 | 34563105336 |
oct | 7612510471 |
9 | 2620481523 |
10 | 1042977081 |
11 | 495808133 |
12 | 25135a849 |
13 | 138106b03 |
14 | 9c73798d |
15 | 618703a6 |
hex | 3e2a9139 |
1042977081 has 8 divisors (see below), whose sum is σ = 1472438304. Its totient is φ = 654416960.
The previous prime is 1042977079. The next prime is 1042977101. The reversal of 1042977081 is 1807792401.
1042977081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1042977081 - 21 = 1042977079 is a prime.
It is a super-2 number, since 2×10429770812 = 2175602382982561122, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1042977031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10225215 + ... + 10225316.
It is an arithmetic number, because the mean of its divisors is an integer number (184054788).
Almost surely, 21042977081 is an apocalyptic number.
It is an amenable number.
1042977081 is a deficient number, since it is larger than the sum of its proper divisors (429461223).
1042977081 is a wasteful number, since it uses less digits than its factorization.
1042977081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20450551.
The product of its (nonzero) digits is 28224, while the sum is 39.
The square root of 1042977081 is about 32295.1556893600. The cubic root of 1042977081 is about 1014.1252320537.
The spelling of 1042977081 in words is "one billion, forty-two million, nine hundred seventy-seven thousand, eighty-one".
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