Base | Representation |
---|---|
bin | 111111110101000… |
… | …1001011010110001 |
3 | 12112021002102121101 |
4 | 1333222021122301 |
5 | 13341242130212 |
6 | 552305124401 |
7 | 104034421561 |
oct | 17752113261 |
9 | 5467072541 |
10 | 2141755057 |
11 | 9a9a68302 |
12 | 4b9329701 |
13 | 28194a4b0 |
14 | 164638da1 |
15 | c8064157 |
hex | 7fa896b1 |
2141755057 has 8 divisors (see below), whose sum is σ = 2308204584. Its totient is φ = 1975548288.
The previous prime is 2141755039. The next prime is 2141755093. The reversal of 2141755057 is 7505571412.
It can be written as a sum of positive squares in 4 ways, for example, as 168974001 + 1972781056 = 12999^2 + 44416^2 .
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 2141755057 - 219 = 2141230769 is a prime.
It is a super-2 number, since 2×21417550572 = 9174229448370146498, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2141755097) 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, 42148 + ... + 77845.
It is an arithmetic number, because the mean of its divisors is an integer number (288525573).
Almost surely, 22141755057 is an apocalyptic number.
It is an amenable number.
2141755057 is a deficient number, since it is larger than the sum of its proper divisors (166449527).
2141755057 is a wasteful number, since it uses less digits than its factorization.
2141755057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121379.
The product of its (nonzero) digits is 49000, while the sum is 37.
The square root of 2141755057 is about 46279.0995698922. The cubic root of 2141755057 is about 1289.0109312567.
The spelling of 2141755057 in words is "two billion, one hundred forty-one million, seven hundred fifty-five thousand, fifty-seven".
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