Base | Representation |
---|---|
bin | 10111100000000100… |
… | …000100100010000010 |
3 | 2102010121020000110200 |
4 | 113200010010202002 |
5 | 403134401000002 |
6 | 15331540110030 |
7 | 1552215314061 |
oct | 274004044202 |
9 | 72117200420 |
10 | 25234000002 |
11 | a779a31762 |
12 | 4a82995316 |
13 | 24c1b66363 |
14 | 131549a1d8 |
15 | 9ca4e5b1c |
hex | 5e0104882 |
25234000002 has 24 divisors (see below), whose sum is σ = 54956957484. Its totient is φ = 8367750144.
The previous prime is 25233999979. The next prime is 25234000003. The reversal of 25234000002 is 20000043252.
It can be written as a sum of positive squares in 2 ways, for example, as 24733538361 + 500461641 = 157269^2 + 22371^2 .
It is a super-2 number, since 2×252340000022 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (25234000003) 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, 3628363 + ... + 3635310.
Almost surely, 225234000002 is an apocalyptic number.
25234000002 is an abundant number, since it is smaller than the sum of its proper divisors (29722957482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25234000002 is a wasteful number, since it uses less digits than its factorization.
25234000002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7263874 (or 7263871 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 18.
Adding to 25234000002 its reverse (20000043252), we get a palindrome (45234043254).
The spelling of 25234000002 in words is "twenty-five billion, two hundred thirty-four million, two", and thus it is an aban number.
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