Base | Representation |
---|---|
bin | 11100110011010101… |
… | …010011110100000000 |
3 | 2221211021201100002000 |
4 | 130303111103310000 |
5 | 1001314023322024 |
6 | 22112431224000 |
7 | 2143242423333 |
oct | 346325236400 |
9 | 87737640060 |
10 | 30925995264 |
11 | 1212aa10a7a |
12 | 5bb1078000 |
13 | 2bbb1909a8 |
14 | 16d541061a |
15 | c1008ccc9 |
hex | 733553d00 |
30925995264 has 144 divisors (see below), whose sum is σ = 96833600640. Its totient is φ = 9702236160.
The previous prime is 30925995263. The next prime is 30925995271. The reversal of 30925995264 is 46259952903.
It is a happy number.
30925995264 is a `hidden beast` number, since 3 + 0 + 9 + 25 + 99 + 526 + 4 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 30925995264.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30925995263) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14092 + ... + 249099.
It is an arithmetic number, because the mean of its divisors is an integer number (672455560).
Almost surely, 230925995264 is an apocalyptic number.
30925995264 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30925995264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48416800320).
30925995264 is an abundant number, since it is smaller than the sum of its proper divisors (65907605376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30925995264 is a wasteful number, since it uses less digits than its factorization.
30925995264 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263233 (or 263213 counting only the distinct ones).
The product of its (nonzero) digits is 5248800, while the sum is 54.
The spelling of 30925995264 in words is "thirty billion, nine hundred twenty-five million, nine hundred ninety-five thousand, two hundred sixty-four".
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