Base | Representation |
---|---|
bin | 10111101000110001… |
… | …101100010010011000 |
3 | 2102111210021120200100 |
4 | 113220301230102120 |
5 | 403434311131143 |
6 | 15354241135400 |
7 | 1555641642162 |
oct | 275061542230 |
9 | 72453246610 |
10 | 25380177048 |
11 | a8444a2736 |
12 | 4b0392a560 |
13 | 2516227155 |
14 | 132aa6b932 |
15 | 9d826c6d3 |
hex | 5e8c6c498 |
25380177048 has 96 divisors (see below), whose sum is σ = 72558720000. Its totient is φ = 7992312768.
The previous prime is 25380177041. The next prime is 25380177077. The reversal of 25380177048 is 84077108352.
25380177048 is a `hidden beast` number, since 2 + 538 + 0 + 1 + 7 + 70 + 48 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 25380176994 and 25380177012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25380177041) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 465273 + ... + 516951.
It is an arithmetic number, because the mean of its divisors is an integer number (755820000).
Almost surely, 225380177048 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25380177048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36279360000).
25380177048 is an abundant number, since it is smaller than the sum of its proper divisors (47178542952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25380177048 is a wasteful number, since it uses less digits than its factorization.
25380177048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52069 (or 52062 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 45.
The spelling of 25380177048 in words is "twenty-five billion, three hundred eighty million, one hundred seventy-seven thousand, forty-eight".
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