Base | Representation |
---|---|
bin | 10111100001000001… |
… | …001010011110011010 |
3 | 2102011201100200002120 |
4 | 113201001022132122 |
5 | 403203000441010 |
6 | 15333311242110 |
7 | 1552501405314 |
oct | 274101123632 |
9 | 72151320076 |
10 | 25250015130 |
11 | a787a800aa |
12 | 4a88219336 |
13 | 24c5282a72 |
14 | 13176687b4 |
15 | 9cbb0ae70 |
hex | 5e104a79a |
25250015130 has 16 divisors (see below), whose sum is σ = 60600036384. Its totient is φ = 6733337360.
The previous prime is 25250015111. The next prime is 25250015137. The reversal of 25250015130 is 3151005252.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 25250015130.
It is not an unprimeable number, because it can be changed into a prime (25250015137) 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, 420833556 + ... + 420833615.
It is an arithmetic number, because the mean of its divisors is an integer number (3787502274).
Almost surely, 225250015130 is an apocalyptic number.
25250015130 is an abundant number, since it is smaller than the sum of its proper divisors (35350021254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25250015130 is a wasteful number, since it uses less digits than its factorization.
25250015130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 841667181.
The product of its (nonzero) digits is 1500, while the sum is 24.
The spelling of 25250015130 in words is "twenty-five billion, two hundred fifty million, fifteen thousand, one hundred thirty".
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