Base | Representation |
---|---|
bin | 10111011000001010… |
… | …110001111010011100 |
3 | 2101210100222101220110 |
4 | 113120022301322130 |
5 | 402401443303040 |
6 | 15310445050020 |
7 | 1546016402223 |
oct | 273012617234 |
9 | 71710871813 |
10 | 25101541020 |
11 | a711190326 |
12 | 4a46556910 |
13 | 24a059956a |
14 | 1301a59cba |
15 | 9bda7d980 |
hex | 5d82b1e9c |
25101541020 has 96 divisors (see below), whose sum is σ = 72810803520. Its totient is φ = 6453780480.
The previous prime is 25101541019. The next prime is 25101541033. The reversal of 25101541020 is 2014510152.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1265580 + ... + 1285260.
It is an arithmetic number, because the mean of its divisors is an integer number (758445870).
Almost surely, 225101541020 is an apocalyptic number.
25101541020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25101541020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36405401760).
25101541020 is an abundant number, since it is smaller than the sum of its proper divisors (47709262500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25101541020 is a wasteful number, since it uses less digits than its factorization.
25101541020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20455 (or 20453 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 21.
The spelling of 25101541020 in words is "twenty-five billion, one hundred one million, five hundred forty-one thousand, twenty".
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