Base | Representation |
---|---|
bin | 1011011111101100000000… |
… | …00000000001110100010110 |
3 | 10022111120000101010110002101 |
4 | 11233312000000001310112 |
5 | 11303123401141344204 |
6 | 125432322223032314 |
7 | 5216164102024156 |
oct | 557660000016426 |
9 | 108446011113071 |
10 | 25278030028054 |
11 | 8066396a54791 |
12 | 2a0307513b69a |
13 | 11149286395ab |
14 | 63566ad80766 |
15 | 2dc8160b9ea4 |
hex | 16fd80001d16 |
25278030028054 has 16 divisors (see below), whose sum is σ = 37939271218992. Its totient is φ = 12631607826208.
The previous prime is 25278030027979. The next prime is 25278030028079. The reversal of 25278030028054 is 45082003087252.
It is a junction number, because it is equal to n+sod(n) for n = 25278030027995 and 25278030028013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32917212 + ... + 33676384.
It is an arithmetic number, because the mean of its divisors is an integer number (2371204451187).
Almost surely, 225278030028054 is an apocalyptic number.
25278030028054 is a deficient number, since it is larger than the sum of its proper divisors (12661241190938).
25278030028054 is a wasteful number, since it uses less digits than its factorization.
25278030028054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 768911.
The product of its (nonzero) digits is 1075200, while the sum is 46.
The spelling of 25278030028054 in words is "twenty-five trillion, two hundred seventy-eight billion, thirty million, twenty-eight thousand, fifty-four".
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