Base | Representation |
---|---|
bin | 111111000000101… |
… | …101110111100001 |
3 | 2201200012220120121 |
4 | 333000231313201 |
5 | 4131112334411 |
6 | 252522240241 |
7 | 35124435130 |
oct | 7700556741 |
9 | 2650186517 |
10 | 1057152481 |
11 | 4a280a340 |
12 | 256056081 |
13 | 13b02b018 |
14 | a0587917 |
15 | 62c20571 |
hex | 3f02dde1 |
1057152481 has 16 divisors (see below), whose sum is σ = 1319787648. Its totient is φ = 822643200.
The previous prime is 1057152479. The next prime is 1057152511. The reversal of 1057152481 is 1842517501.
It is a cyclic number.
It is not a de Polignac number, because 1057152481 - 21 = 1057152479 is a prime.
It is a super-3 number, since 3×10571524813 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1057152431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50641 + ... + 68401.
It is an arithmetic number, because the mean of its divisors is an integer number (82486728).
Almost surely, 21057152481 is an apocalyptic number.
1057152481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1057152481 is a deficient number, since it is larger than the sum of its proper divisors (262635167).
1057152481 is a wasteful number, since it uses less digits than its factorization.
1057152481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18552.
The product of its (nonzero) digits is 11200, while the sum is 34.
The square root of 1057152481 is about 32513.8813585828. The cubic root of 1057152481 is about 1018.6989951957.
Adding to 1057152481 its reverse (1842517501), we get a palindrome (2899669982).
The spelling of 1057152481 in words is "one billion, fifty-seven million, one hundred fifty-two thousand, four hundred eighty-one".
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