Base | Representation |
---|---|
bin | 11101001001111001… |
… | …000000101110100001 |
3 | 2222210122211222112010 |
4 | 131021321000232201 |
5 | 1003102414444100 |
6 | 22214151023133 |
7 | 2155516313616 |
oct | 351171005641 |
9 | 88718758463 |
10 | 31304453025 |
11 | 1230460298a |
12 | 609796aaa9 |
13 | 2c4b6cbbb1 |
14 | 172d7a850d |
15 | c333e8750 |
hex | 749e40ba1 |
31304453025 has 48 divisors (see below), whose sum is σ = 54233671680. Its totient is φ = 15902779200.
The previous prime is 31304453023. The next prime is 31304453057. The reversal of 31304453025 is 52035440313.
It is not a de Polignac number, because 31304453025 - 21 = 31304453023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31304452983 and 31304453001.
It is not an unprimeable number, because it can be changed into a prime (31304453023) 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, 374310 + ... + 450240.
It is an arithmetic number, because the mean of its divisors is an integer number (1129868160).
Almost surely, 231304453025 is an apocalyptic number.
It is an amenable number.
31304453025 is a deficient number, since it is larger than the sum of its proper divisors (22929218655).
31304453025 is a wasteful number, since it uses less digits than its factorization.
31304453025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76206 (or 76201 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 30.
Adding to 31304453025 its reverse (52035440313), we get a palindrome (83339893338).
The spelling of 31304453025 in words is "thirty-one billion, three hundred four million, four hundred fifty-three thousand, twenty-five".
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