Base | Representation |
---|---|
bin | 10111100100010011… |
… | …110111100100000101 |
3 | 2102022120021220011110 |
4 | 113210103313210011 |
5 | 403311121000203 |
6 | 15343003155233 |
7 | 1554042035136 |
oct | 274423674405 |
9 | 72276256143 |
10 | 25305250053 |
11 | a8061769a6 |
12 | 4aa2815b19 |
13 | 2503851b55 |
14 | 1320b25c8d |
15 | 9d18bbd03 |
hex | 5e44f7905 |
25305250053 has 8 divisors (see below), whose sum is σ = 34202530048. Its totient is φ = 16639068384.
The previous prime is 25305250031. The next prime is 25305250081. The reversal of 25305250053 is 35005250352.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 25305250053 - 28 = 25305249797 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 25305250053.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25305250093) 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, 57774325 + ... + 57774762.
It is an arithmetic number, because the mean of its divisors is an integer number (4275316256).
Almost surely, 225305250053 is an apocalyptic number.
It is an amenable number.
25305250053 is a deficient number, since it is larger than the sum of its proper divisors (8897279995).
25305250053 is a wasteful number, since it uses less digits than its factorization.
25305250053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115549163.
The product of its (nonzero) digits is 22500, while the sum is 30.
The spelling of 25305250053 in words is "twenty-five billion, three hundred five million, two hundred fifty thousand, fifty-three".
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