Base | Representation |
---|---|
bin | 1011000100010110… |
… | …1011110110010101 |
3 | 21200001120100202210 |
4 | 2301011223312111 |
5 | 22041042320212 |
6 | 1210452024033 |
7 | 133424400246 |
oct | 26105536625 |
9 | 7601510683 |
10 | 2971057557 |
11 | 12950a2576 |
12 | 6ab002019 |
13 | 3846bca30 |
14 | 202830ccd |
15 | 125c7853c |
hex | b116bd95 |
2971057557 has 16 divisors (see below), whose sum is σ = 4307558528. Its totient is φ = 1810589760.
The previous prime is 2971057543. The next prime is 2971057589. The reversal of 2971057557 is 7557501792.
It is not a de Polignac number, because 2971057557 - 212 = 2971053461 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2971057597) 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, 365794 + ... + 373827.
It is an arithmetic number, because the mean of its divisors is an integer number (269222408).
Almost surely, 22971057557 is an apocalyptic number.
It is an amenable number.
2971057557 is a deficient number, since it is larger than the sum of its proper divisors (1336500971).
2971057557 is a wasteful number, since it uses less digits than its factorization.
2971057557 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 739740.
The product of its (nonzero) digits is 771750, while the sum is 48.
The square root of 2971057557 is about 54507.4082763068. The cubic root of 2971057557 is about 1437.5965496537.
The spelling of 2971057557 in words is "two billion, nine hundred seventy-one million, fifty-seven thousand, five hundred fifty-seven".
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