Base | Representation |
---|---|
bin | 101001100101001001011… |
… | …110011110001010100001 |
3 | 101010011102010211020120001 |
4 | 221211021132132022201 |
5 | 333303411302221411 |
6 | 10024355350020001 |
7 | 413303455026001 |
oct | 51451136361241 |
9 | 11104363736501 |
10 | 2857385976481 |
11 | a018a098a023 |
12 | 3a1944947601 |
13 | 1795b1527c3a |
14 | 9c426456001 |
15 | 4e4d92c1dc1 |
hex | 2994979e2a1 |
2857385976481 has 16 divisors (see below), whose sum is σ = 2938108952320. Its totient is φ = 2776848946560.
The previous prime is 2857385976469. The next prime is 2857385976491. The reversal of 2857385976481 is 1846795837582.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2857385976481 - 213 = 2857385968289 is a prime.
It is a super-2 number, since 2×28573859764812 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2857385976451) 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, 124650901 + ... + 124673821.
It is an arithmetic number, because the mean of its divisors is an integer number (183631809520).
Almost surely, 22857385976481 is an apocalyptic number.
It is an amenable number.
2857385976481 is a deficient number, since it is larger than the sum of its proper divisors (80722975839).
2857385976481 is a wasteful number, since it uses less digits than its factorization.
2857385976481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26824.
The product of its digits is 812851200, while the sum is 73.
The spelling of 2857385976481 in words is "two trillion, eight hundred fifty-seven billion, three hundred eighty-five million, nine hundred seventy-six thousand, four hundred eighty-one".
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