Base | Representation |
---|---|
bin | 1110110001110011010… |
… | …1101011110111111000 |
3 | 220021022211000010120010 |
4 | 3230130311223313320 |
5 | 13124430021441343 |
6 | 312344541301520 |
7 | 24225361043532 |
oct | 3543465536770 |
9 | 807284003503 |
10 | 253886905848 |
11 | 987445a3134 |
12 | 412562648a0 |
13 | 1ac31433a94 |
14 | c406b26852 |
15 | 690e19ed33 |
hex | 3b1cd6bdf8 |
253886905848 has 32 divisors (see below), whose sum is σ = 640879574400. Its totient is φ = 83807327328.
The previous prime is 253886905819. The next prime is 253886905991. The reversal of 253886905848 is 848509688352.
It is a super-2 number, since 2×2538869058482 (a number of 24 digits) contains 22 as substring.
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, 51350058 + ... + 51355001.
It is an arithmetic number, because the mean of its divisors is an integer number (20027486700).
Almost surely, 2253886905848 is an apocalyptic number.
It is an amenable number.
253886905848 is an abundant number, since it is smaller than the sum of its proper divisors (386992668552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253886905848 is a wasteful number, since it uses less digits than its factorization.
253886905848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102705171 (or 102705167 counting only the distinct ones).
The product of its (nonzero) digits is 132710400, while the sum is 66.
The spelling of 253886905848 in words is "two hundred fifty-three billion, eight hundred eighty-six million, nine hundred five thousand, eight hundred forty-eight".
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