Base | Representation |
---|---|
bin | 11100001110101001… |
… | …000000000101011111 |
3 | 2220020101100212121102 |
4 | 130032221000011133 |
5 | 444033430302401 |
6 | 21531401023315 |
7 | 2122056103100 |
oct | 341651000537 |
9 | 86211325542 |
10 | 30310400351 |
11 | 11944481450 |
12 | 5a5aa84b3b |
13 | 2b20794a4a |
14 | 16777683a7 |
15 | bc5ede56b |
hex | 70ea4015f |
30310400351 has 48 divisors (see below), whose sum is σ = 41885424000. Its totient is φ = 21603637440.
The previous prime is 30310400347. The next prime is 30310400369. The reversal of 30310400351 is 15300401303.
It is a happy number.
It is not a de Polignac number, because 30310400351 - 22 = 30310400347 is a prime.
It is a super-3 number, since 3×303104003513 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30310400051) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 245960 + ... + 348018.
It is an arithmetic number, because the mean of its divisors is an integer number (872613000).
Almost surely, 230310400351 is an apocalyptic number.
30310400351 is a deficient number, since it is larger than the sum of its proper divisors (11575023649).
30310400351 is a wasteful number, since it uses less digits than its factorization.
30310400351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102132 (or 102125 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 20.
Adding to 30310400351 its reverse (15300401303), we get a palindrome (45610801654).
The spelling of 30310400351 in words is "thirty billion, three hundred ten million, four hundred thousand, three hundred fifty-one".
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