Base | Representation |
---|---|
bin | 10111010010101110… |
… | …111001010000110100 |
3 | 2101120000101011111112 |
4 | 113102232321100310 |
5 | 402210122020022 |
6 | 15253430254152 |
7 | 1543531265522 |
oct | 272256712064 |
9 | 71500334445 |
10 | 25010345012 |
11 | a674762424 |
12 | 4a1bab7358 |
13 | 2487719123 |
14 | 12d38bb312 |
15 | 9b5a678e2 |
hex | 5d2bb9434 |
25010345012 has 24 divisors (see below), whose sum is σ = 46126718400. Its totient is φ = 11832854976.
The previous prime is 25010345011. The next prime is 25010345023. The reversal of 25010345012 is 21054301052.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25010345011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132353 + ... + 259880.
It is an arithmetic number, because the mean of its divisors is an integer number (1921946600).
Almost surely, 225010345012 is an apocalyptic number.
It is an amenable number.
25010345012 is a deficient number, since it is larger than the sum of its proper divisors (21116373388).
25010345012 is a wasteful number, since it uses less digits than its factorization.
25010345012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 393095 (or 393093 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 23.
Adding to 25010345012 its reverse (21054301052), we get a palindrome (46064646064).
The spelling of 25010345012 in words is "twenty-five billion, ten million, three hundred forty-five thousand, twelve".
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