Base | Representation |
---|---|
bin | 10111101110110010… |
… | …001011011100001100 |
3 | 2102202210221021210122 |
4 | 113232302023130030 |
5 | 404141111433243 |
6 | 15412241324112 |
7 | 1561304440202 |
oct | 275662133414 |
9 | 72683837718 |
10 | 25480967948 |
11 | a8963843a7 |
12 | 4b31636638 |
13 | 2531086937 |
14 | 133a1c7072 |
15 | 9e202b668 |
hex | 5eec8b70c |
25480967948 has 48 divisors (see below), whose sum is σ = 46308885504. Its totient is φ = 12255088320.
The previous prime is 25480967947. The next prime is 25480967957. The reversal of 25480967948 is 84976908452.
It is a Harshad number since it is a multiple of its sum of digits (62).
It is not an unprimeable number, because it can be changed into a prime (25480967947) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20598386 + ... + 20599622.
It is an arithmetic number, because the mean of its divisors is an integer number (964768448).
Almost surely, 225480967948 is an apocalyptic number.
It is an amenable number.
25480967948 is a deficient number, since it is larger than the sum of its proper divisors (20827917556).
25480967948 is a wasteful number, since it uses less digits than its factorization.
25480967948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2142 (or 2140 counting only the distinct ones).
The product of its (nonzero) digits is 34836480, while the sum is 62.
The spelling of 25480967948 in words is "twenty-five billion, four hundred eighty million, nine hundred sixty-seven thousand, nine hundred forty-eight".
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