Base | Representation |
---|---|
bin | 10111100110011101… |
… | …100101100001010100 |
3 | 2102102002020001202100 |
4 | 113212131211201110 |
5 | 403344341231040 |
6 | 15350333042100 |
7 | 1554660636525 |
oct | 274635454124 |
9 | 72362201670 |
10 | 25341352020 |
11 | a824594936 |
12 | 4ab2926330 |
13 | 250b18236a |
14 | 132584284c |
15 | 9d4b4db30 |
hex | 5e6765854 |
25341352020 has 36 divisors (see below), whose sum is σ = 76868768340. Its totient is φ = 6757693824.
The previous prime is 25341352013. The next prime is 25341352027. The reversal of 25341352020 is 2025314352.
It is a happy number.
25341352020 is a `hidden beast` number, since 253 + 41 + 352 + 0 + 20 = 666.
It is an interprime number because it is at equal distance from previous prime (25341352013) and next prime (25341352027).
It can be written as a sum of positive squares in 2 ways, for example, as 5583676176 + 19757675844 = 74724^2 + 140562^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25341352027) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70392465 + ... + 70392824.
It is an arithmetic number, because the mean of its divisors is an integer number (2135243565).
Almost surely, 225341352020 is an apocalyptic number.
25341352020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25341352020 is an abundant number, since it is smaller than the sum of its proper divisors (51527416320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25341352020 is a wasteful number, since it uses less digits than its factorization.
25341352020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140785304 (or 140785299 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
Adding to 25341352020 its reverse (2025314352), we get a palindrome (27366666372).
The spelling of 25341352020 in words is "twenty-five billion, three hundred forty-one million, three hundred fifty-two thousand, twenty".
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