Base | Representation |
---|---|
bin | 101000110100100111011… |
… | …011000101010111000001 |
3 | 100221011220102221011210121 |
4 | 220310213123011113001 |
5 | 331430200403234203 |
6 | 5544420420100241 |
7 | 406450221352555 |
oct | 50644733052701 |
9 | 10834812834717 |
10 | 2805275055553 |
11 | 99178a6a9923 |
12 | 393820b34681 |
13 | 1746c8345599 |
14 | 99ac1635865 |
15 | 4ce894590bd |
hex | 28d276c55c1 |
2805275055553 has 16 divisors (see below), whose sum is σ = 2849370241536. Its totient is φ = 2761517171520.
The previous prime is 2805275055551. The next prime is 2805275055559. The reversal of 2805275055553 is 3555505725082.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2805275055553 - 21 = 2805275055551 is a prime.
It is a super-2 number, since 2×28052750555532 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2805275055553.
It is not an unprimeable number, because it can be changed into a prime (2805275055551) 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, 45588675 + ... + 45650167.
It is an arithmetic number, because the mean of its divisors is an integer number (178085640096).
Almost surely, 22805275055553 is an apocalyptic number.
It is an amenable number.
2805275055553 is a deficient number, since it is larger than the sum of its proper divisors (44095185983).
2805275055553 is a wasteful number, since it uses less digits than its factorization.
2805275055553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64224.
The product of its (nonzero) digits is 10500000, while the sum is 52.
The spelling of 2805275055553 in words is "two trillion, eight hundred five billion, two hundred seventy-five million, fifty-five thousand, five hundred fifty-three".
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