Base | Representation |
---|---|
bin | 1100110110010011110100… |
… | …00011010110101111110101 |
3 | 10201001002101201021022222000 |
4 | 12123021322003112233311 |
5 | 12200404343144314140 |
6 | 140031511002125513 |
7 | 5644210643156541 |
oct | 633117203265765 |
9 | 121032351238860 |
10 | 28254342573045 |
11 | 900366587a966 |
12 | 3203a6a1b0899 |
13 | 129c4b0841014 |
14 | 6d9735d58a21 |
15 | 33ee60ea8a30 |
hex | 19b27a0d6bf5 |
28254342573045 has 128 divisors (see below), whose sum is σ = 52166185574400. Its totient is φ = 14500259654400.
The previous prime is 28254342573031. The next prime is 28254342573049. The reversal of 28254342573045 is 54037524345282.
28254342573045 is a `hidden beast` number, since 2 + 8 + 2 + 54 + 34 + 257 + 304 + 5 = 666.
It is not a de Polignac number, because 28254342573045 - 27 = 28254342572917 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28254342572982 and 28254342573000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28254342573049) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 181866850 + ... + 182022140.
It is an arithmetic number, because the mean of its divisors is an integer number (407548324800).
Almost surely, 228254342573045 is an apocalyptic number.
It is an amenable number.
28254342573045 is a deficient number, since it is larger than the sum of its proper divisors (23911843001355).
28254342573045 is a wasteful number, since it uses less digits than its factorization.
28254342573045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155848 (or 155842 counting only the distinct ones).
The product of its (nonzero) digits is 32256000, while the sum is 54.
The spelling of 28254342573045 in words is "twenty-eight trillion, two hundred fifty-four billion, three hundred forty-two million, five hundred seventy-three thousand, forty-five".
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